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[73.69.212.193]) by smtp.gmail.com with ESMTPSA id d2-20020a05620a240200b006a37eb728cfsm2386887qkn.1.2022.06.24.11.08.10 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Jun 2022 11:08:10 -0700 (PDT) Message-ID: Subject: PING^2: Re: [PATCH 01/10] Add 'final' and 'override' to opt_pass vfunc impls From: David Malcolm To: gcc-patches@gcc.gnu.org Date: Fri, 24 Jun 2022 14:08:09 -0400 In-Reply-To: <2c33a4dab919f5453274fac78d49283b279d44bd.camel@redhat.com> References: <20220523192834.3785673-1-dmalcolm@redhat.com> <20220523192834.3785673-2-dmalcolm@redhat.com> <2c33a4dab919f5453274fac78d49283b279d44bd.camel@redhat.com> User-Agent: Evolution 3.38.4 (3.38.4-1.fc33) MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-10.7 required=5.0 tests=BAYES_00, BODY_8BITS, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Jun 2022 18:08:23 -0000 On Mon, 2022-06-13 at 14:22 -0400, David Malcolm wrote: > Ping for this patch: >   https://gcc.gnu.org/pipermail/gcc-patches/2022-May/595444.html > > OK for trunk? > > Thanks > Dave > > On Mon, 2022-05-23 at 15:28 -0400, David Malcolm wrote: > > gcc/ChangeLog: > >         * adjust-alignment.cc: Add "final" and "override" to > > opt_pass > >         vfunc implementations, removing redundant "virtual" as > >         appropriate. > >         * asan.cc: Likewise. > >         * auto-inc-dec.cc: Likewise. > >         * auto-profile.cc: Likewise. > >         * bb-reorder.cc: Likewise. > >         * cfgcleanup.cc: Likewise. > >         * cfgexpand.cc: Likewise. > >         * cfgrtl.cc: Likewise. > >         * cgraphbuild.cc: Likewise. > >         * combine-stack-adj.cc: Likewise. > >         * combine.cc: Likewise. > >         * compare-elim.cc: Likewise. > >         * config/i386/i386-features.cc: Likewise. > >         * coroutine-passes.cc: Likewise. > >         * cprop.cc: Likewise. > >         * cse.cc: Likewise. > >         * dce.cc: Likewise. > >         * df-core.cc: Likewise. > >         * dse.cc: Likewise. > >         * dwarf2cfi.cc: Likewise. > >         * early-remat.cc: Likewise. > >         * except.cc: Likewise. > >         * final.cc: Likewise. > >         * function.cc: Likewise. > >         * fwprop.cc: Likewise. > >         * gcse.cc: Likewise. > >         * gimple-harden-conditionals.cc: Likewise. > >         * gimple-if-to-switch.cc: Likewise. > >         * gimple-isel.cc: Likewise. > >         * gimple-laddress.cc: Likewise. > >         * gimple-loop-interchange.cc: Likewise. > >         * gimple-loop-jam.cc: Likewise. > >         * gimple-loop-versioning.cc: Likewise. > >         * gimple-low.cc: Likewise. > >         * gimple-ssa-backprop.cc: Likewise. > >         * gimple-ssa-evrp.cc: Likewise. > >         * gimple-ssa-isolate-paths.cc: Likewise. > >         * gimple-ssa-nonnull-compare.cc: Likewise. > >         * gimple-ssa-split-paths.cc: Likewise. > >         * gimple-ssa-store-merging.cc: Likewise. > >         * gimple-ssa-strength-reduction.cc: Likewise. > >         * gimple-ssa-warn-access.cc: Likewise. > >         * gimple-ssa-warn-alloca.cc: Likewise. > >         * gimple-ssa-warn-restrict.cc: Likewise. > >         * gimple-warn-recursion.cc: Likewise. > >         * graphite.cc: Likewise. > >         * ifcvt.cc: Likewise. > >         * init-regs.cc: Likewise. > >         * ipa-comdats.cc: Likewise. > >         * ipa-cp.cc: Likewise. > >         * ipa-devirt.cc: Likewise. > >         * ipa-fnsummary.cc: Likewise. > >         * ipa-free-lang-data.cc: Likewise. > >         * ipa-icf.cc: Likewise. > >         * ipa-inline.cc: Likewise. > >         * ipa-modref.cc: Likewise. > >         * ipa-profile.cc: Likewise. > >         * ipa-pure-const.cc: Likewise. > >         * ipa-reference.cc: Likewise. > >         * ipa-split.cc: Likewise. > >         * ipa-sra.cc: Likewise. > >         * ipa-visibility.cc: Likewise. > >         * ipa.cc: Likewise. > >         * ira.cc: Likewise. > >         * jump.cc: Likewise. > >         * loop-init.cc: Likewise. > >         * lower-subreg.cc: Likewise. > >         * mode-switching.cc: Likewise. > >         * modulo-sched.cc: Likewise. > >         * multiple_target.cc: Likewise. > >         * omp-expand.cc: Likewise. > >         * omp-low.cc: Likewise. > >         * omp-oacc-kernels-decompose.cc: Likewise. > >         * omp-oacc-neuter-broadcast.cc: Likewise. > >         * omp-offload.cc: Likewise. > >         * omp-simd-clone.cc: Likewise. > >         * passes.cc: Likewise. > >         * postreload-gcse.cc: Likewise. > >         * postreload.cc: Likewise. > >         * predict.cc: Likewise. > >         * recog.cc: Likewise. > >         * ree.cc: Likewise. > >         * reg-stack.cc: Likewise. > >         * regcprop.cc: Likewise. > >         * reginfo.cc: Likewise. > >         * regrename.cc: Likewise. > >         * reorg.cc: Likewise. > >         * sancov.cc: Likewise. > >         * sanopt.cc: Likewise. > >         * sched-rgn.cc: Likewise. > >         * stack-ptr-mod.cc: Likewise. > >         * store-motion.cc: Likewise. > >         * tracer.cc: Likewise. > >         * trans-mem.cc: Likewise. > >         * tree-call-cdce.cc: Likewise. > >         * tree-cfg.cc: Likewise. > >         * tree-cfgcleanup.cc: Likewise. > >         * tree-complex.cc: Likewise. > >         * tree-eh.cc: Likewise. > >         * tree-emutls.cc: Likewise. > >         * tree-if-conv.cc: Likewise. > >         * tree-into-ssa.cc: Likewise. > >         * tree-loop-distribution.cc: Likewise. > >         * tree-nrv.cc: Likewise. > >         * tree-object-size.cc: Likewise. > >         * tree-parloops.cc: Likewise. > >         * tree-predcom.cc: Likewise. > >         * tree-profile.cc: Likewise. > >         * tree-sra.cc: Likewise. > >         * tree-ssa-ccp.cc: Likewise. > >         * tree-ssa-copy.cc: Likewise. > >         * tree-ssa-dce.cc: Likewise. > >         * tree-ssa-dom.cc: Likewise. > >         * tree-ssa-dse.cc: Likewise. > >         * tree-ssa-forwprop.cc: Likewise. > >         * tree-ssa-ifcombine.cc: Likewise. > >         * tree-ssa-loop-ch.cc: Likewise. > >         * tree-ssa-loop-im.cc: Likewise. > >         * tree-ssa-loop-ivcanon.cc: Likewise. > >         * tree-ssa-loop-prefetch.cc: Likewise. > >         * tree-ssa-loop-split.cc: Likewise. > >         * tree-ssa-loop-unswitch.cc: Likewise. > >         * tree-ssa-loop.cc: Likewise. > >         * tree-ssa-math-opts.cc: Likewise. > >         * tree-ssa-phiopt.cc: Likewise. > >         * tree-ssa-phiprop.cc: Likewise. > >         * tree-ssa-pre.cc: Likewise. > >         * tree-ssa-reassoc.cc: Likewise. > >         * tree-ssa-sccvn.cc: Likewise. > >         * tree-ssa-sink.cc: Likewise. > >         * tree-ssa-strlen.cc: Likewise. > >         * tree-ssa-structalias.cc: Likewise. > >         * tree-ssa-uncprop.cc: Likewise. > >         * tree-ssa-uninit.cc: Likewise. > >         * tree-ssanames.cc: Likewise. > >         * tree-stdarg.cc: Likewise. > >         * tree-switch-conversion.cc: Likewise. > >         * tree-tailcall.cc: Likewise. > >         * tree-vect-generic.cc: Likewise. > >         * tree-vectorizer.cc: Likewise. > >         * tree-vrp.cc: Likewise. > >         * tsan.cc: Likewise. > >         * ubsan.cc: Likewise. > >         * var-tracking.cc: Likewise. > >         * vtable-verify.cc: Likewise. > >         * web.cc: Likewise. > > > > Signed-off-by: David Malcolm > > --- > >  gcc/adjust-alignment.cc              |  2 +- > >  gcc/asan.cc                          | 19 ++++++++++++---- > >  gcc/auto-inc-dec.cc                  |  4 ++-- > >  gcc/auto-profile.cc                  |  8 +++---- > >  gcc/bb-reorder.cc                    | 12 +++++----- > >  gcc/cfgcleanup.cc                    |  8 +++---- > >  gcc/cfgexpand.cc                     |  2 +- > >  gcc/cfgrtl.cc                        |  6 ++--- > >  gcc/cgraphbuild.cc                   | 13 +++++++---- > >  gcc/combine-stack-adj.cc             |  4 ++-- > >  gcc/combine.cc                       |  4 ++-- > >  gcc/compare-elim.cc                  |  4 ++-- > >  gcc/config/i386/i386-features.cc     | 20 ++++++++-------- > >  gcc/coroutine-passes.cc              |  8 +++---- > >  gcc/cprop.cc                         |  9 +++++--- > >  gcc/cse.cc                           | 18 ++++++++++----- > >  gcc/dce.cc                           |  8 +++---- > >  gcc/df-core.cc                       | 10 ++++---- > >  gcc/dse.cc                           | 14 ++++++++---- > >  gcc/dwarf2cfi.cc                     |  7 ++++-- > >  gcc/early-remat.cc                   |  4 ++-- > >  gcc/except.cc                        |  6 ++--- > >  gcc/final.cc                         | 14 ++++++++---- > >  gcc/function.cc                      | 10 ++++---- > >  gcc/fwprop.cc                        |  8 +++---- > >  gcc/gcse.cc                          | 14 ++++++++---- > >  gcc/gimple-harden-conditionals.cc    | 20 +++++++++++----- > >  gcc/gimple-if-to-switch.cc           |  4 ++-- > >  gcc/gimple-isel.cc                   |  4 ++-- > >  gcc/gimple-laddress.cc               |  6 ++--- > >  gcc/gimple-loop-interchange.cc       |  6 ++--- > >  gcc/gimple-loop-jam.cc               |  4 ++-- > >  gcc/gimple-loop-versioning.cc        |  7 ++++-- > >  gcc/gimple-low.cc                    |  5 +++- > >  gcc/gimple-ssa-backprop.cc           |  6 ++--- > >  gcc/gimple-ssa-evrp.cc               |  6 ++--- > >  gcc/gimple-ssa-isolate-paths.cc      |  9 +++++--- > >  gcc/gimple-ssa-nonnull-compare.cc    |  4 ++-- > >  gcc/gimple-ssa-split-paths.cc        |  9 +++++--- > >  gcc/gimple-ssa-store-merging.cc      | 10 ++++---- > >  gcc/gimple-ssa-strength-reduction.cc |  4 ++-- > >  gcc/gimple-ssa-warn-access.cc        |  8 +++---- > >  gcc/gimple-ssa-warn-alloca.cc        |  8 +++---- > >  gcc/gimple-ssa-warn-restrict.cc      |  4 ++-- > >  gcc/gimple-warn-recursion.cc         |  4 ++-- > >  gcc/graphite.cc                      |  9 +++++--- > >  gcc/ifcvt.cc                         | 12 +++++----- > >  gcc/init-regs.cc                     |  4 ++-- > >  gcc/ipa-comdats.cc                   |  4 ++-- > >  gcc/ipa-cp.cc                        |  4 ++-- > >  gcc/ipa-devirt.cc                    |  8 +++---- > >  gcc/ipa-fnsummary.cc                 | 20 ++++++++++------ > >  gcc/ipa-free-lang-data.cc            |  2 +- > >  gcc/ipa-icf.cc                       |  4 ++-- > >  gcc/ipa-inline.cc                    |  4 ++-- > >  gcc/ipa-modref.cc                    | 12 +++++----- > >  gcc/ipa-profile.cc                   |  4 ++-- > >  gcc/ipa-pure-const.cc                | 26 +++++++++++++-------- > >  gcc/ipa-reference.cc                 |  4 ++-- > >  gcc/ipa-split.cc                     |  8 +++---- > >  gcc/ipa-sra.cc                       |  7 ++++-- > >  gcc/ipa-visibility.cc                |  6 ++--- > >  gcc/ipa.cc                           |  9 +++++--- > >  gcc/ira.cc                           |  8 +++---- > >  gcc/jump.cc                          |  5 +++- > >  gcc/loop-init.cc                     | 18 +++++++-------- > >  gcc/lower-subreg.cc                  | 16 +++++++------ > >  gcc/mode-switching.cc                |  6 ++--- > >  gcc/modulo-sched.cc                  |  4 ++-- > >  gcc/multiple_target.cc               |  7 ++++-- > >  gcc/omp-expand.cc                    | 14 ++++++++---- > >  gcc/omp-low.cc                       |  9 +++++--- > >  gcc/omp-oacc-kernels-decompose.cc    |  4 ++-- > >  gcc/omp-oacc-neuter-broadcast.cc     |  4 ++-- > >  gcc/omp-offload.cc                   | 16 ++++++------- > >  gcc/omp-simd-clone.cc                |  7 ++++-- > >  gcc/passes.cc                        | 34 ++++++++++++++++-------- > > ---- > >  gcc/postreload-gcse.cc               |  7 ++++-- > >  gcc/postreload.cc                    |  7 ++++-- > >  gcc/predict.cc                       | 13 +++++++---- > >  gcc/recog.cc                         | 32 +++++++++++++++--------- > > -- > >  gcc/ree.cc                           |  7 ++++-- > >  gcc/reg-stack.cc                     |  4 ++-- > >  gcc/regcprop.cc                      |  4 ++-- > >  gcc/reginfo.cc                       |  2 +- > >  gcc/regrename.cc                     |  7 ++++-- > >  gcc/reorg.cc                         |  8 +++---- > >  gcc/sancov.cc                        | 10 ++++---- > >  gcc/sanopt.cc                        |  4 ++-- > >  gcc/sched-rgn.cc                     | 19 +++++++++------- > >  gcc/stack-ptr-mod.cc                 |  2 +- > >  gcc/store-motion.cc                  |  4 ++-- > >  gcc/tracer.cc                        |  4 ++-- > >  gcc/trans-mem.cc                     | 34 +++++++++++++++++++----- > > ---- > >  gcc/tree-call-cdce.cc                |  4 ++-- > >  gcc/tree-cfg.cc                      | 28 ++++++++++++++++------- > >  gcc/tree-cfgcleanup.cc               |  6 ++--- > >  gcc/tree-complex.cc                  | 14 ++++++++---- > >  gcc/tree-eh.cc                       | 23 +++++++++++-------- > >  gcc/tree-emutls.cc                   |  7 ++++-- > >  gcc/tree-if-conv.cc                  |  4 ++-- > >  gcc/tree-into-ssa.cc                 |  4 ++-- > >  gcc/tree-loop-distribution.cc        |  4 ++-- > >  gcc/tree-nrv.cc                      |  6 ++--- > >  gcc/tree-object-size.cc              |  6 ++--- > >  gcc/tree-parloops.cc                 | 11 +++++---- > >  gcc/tree-predcom.cc                  |  8 +++---- > >  gcc/tree-profile.cc                  |  4 ++-- > >  gcc/tree-sra.cc                      | 11 +++++---- > >  gcc/tree-ssa-ccp.cc                  | 21 +++++++++-------- > >  gcc/tree-ssa-copy.cc                 |  9 +++++--- > >  gcc/tree-ssa-dce.cc                  | 14 ++++++------ > >  gcc/tree-ssa-dom.cc                  |  8 +++---- > >  gcc/tree-ssa-dse.cc                  |  6 ++--- > >  gcc/tree-ssa-forwprop.cc             |  6 ++--- > >  gcc/tree-ssa-ifcombine.cc            |  2 +- > >  gcc/tree-ssa-loop-ch.cc              | 10 ++++---- > >  gcc/tree-ssa-loop-im.cc              |  6 ++--- > >  gcc/tree-ssa-loop-ivcanon.cc         | 10 ++++---- > >  gcc/tree-ssa-loop-prefetch.cc        |  7 ++++-- > >  gcc/tree-ssa-loop-split.cc           |  4 ++-- > >  gcc/tree-ssa-loop-unswitch.cc        |  4 ++-- > >  gcc/tree-ssa-loop.cc                 | 27 ++++++++++++---------- > >  gcc/tree-ssa-math-opts.cc            | 15 +++++++----- > >  gcc/tree-ssa-phiopt.cc               | 15 +++++++----- > >  gcc/tree-ssa-phiprop.cc              |  4 ++-- > >  gcc/tree-ssa-pre.cc                  |  4 ++-- > >  gcc/tree-ssa-reassoc.cc              |  8 +++---- > >  gcc/tree-ssa-sccvn.cc                |  8 +++---- > >  gcc/tree-ssa-sink.cc                 |  8 +++---- > >  gcc/tree-ssa-strlen.cc               | 10 ++++---- > >  gcc/tree-ssa-structalias.cc          | 13 +++++++---- > >  gcc/tree-ssa-uncprop.cc              |  6 ++--- > >  gcc/tree-ssa-uninit.cc               | 13 +++++++---- > >  gcc/tree-ssanames.cc                 |  2 +- > >  gcc/tree-stdarg.cc                   |  8 +++---- > >  gcc/tree-switch-conversion.cc        | 15 +++++++----- > >  gcc/tree-tailcall.cc                 | 16 +++++++++---- > >  gcc/tree-vect-generic.cc             | 11 +++++---- > >  gcc/tree-vectorizer.cc               | 26 +++++++++++++-------- > >  gcc/tree-vrp.cc                      |  8 +++---- > >  gcc/tsan.cc                          | 10 ++++---- > >  gcc/ubsan.cc                         |  4 ++-- > >  gcc/var-tracking.cc                  |  4 ++-- > >  gcc/vtable-verify.cc                 |  4 ++-- > >  gcc/web.cc                           |  4 ++-- > >  146 files changed, 769 insertions(+), 552 deletions(-) > > > > diff --git a/gcc/adjust-alignment.cc b/gcc/adjust-alignment.cc > > index 2db41e8b4c8..5c5f8f4e5c0 100644 > > --- a/gcc/adjust-alignment.cc > > +++ b/gcc/adjust-alignment.cc > > @@ -50,7 +50,7 @@ public: > >      : gimple_opt_pass (pass_data_adjust_alignment, ctxt) > >    {} > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >  }; // class pass_adjust_alignment > >   > >  } // anon namespace > > diff --git a/gcc/asan.cc b/gcc/asan.cc > > index 4b583e54efd..5df333555ea 100644 > > --- a/gcc/asan.cc > > +++ b/gcc/asan.cc > > @@ -4209,9 +4209,15 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_asan (m_ctxt); } > > -  virtual bool gate (function *) { return gate_asan () || > > gate_hwasan > > (); } > > -  virtual unsigned int execute (function *) { return > > asan_instrument > > (); } > > +  opt_pass * clone () final override { return new pass_asan > > (m_ctxt); > > } > > +  bool gate (function *) final override > > +  { > > +    return gate_asan () || gate_hwasan (); > > +  } > > +  unsigned int execute (function *) final override > > +  { > > +    return asan_instrument (); > > +  } > >   > >  }; // class pass_asan > >   > > @@ -4246,11 +4252,14 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return !optimize && (gate_asan () || gate_hwasan ()); > >      } > > -  virtual unsigned int execute (function *) { return > > asan_instrument > > (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return asan_instrument (); > > +  } > >   > >  }; // class pass_asan_O0 > >   > > diff --git a/gcc/auto-inc-dec.cc b/gcc/auto-inc-dec.cc > > index 85fe9d14950..481e7af6895 100644 > > --- a/gcc/auto-inc-dec.cc > > +++ b/gcc/auto-inc-dec.cc > > @@ -1692,7 +1692,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        if (!AUTO_INC_DEC) > >         return false; > > @@ -1701,7 +1701,7 @@ public: > >      } > >   > >   > > -  unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_inc_dec > >   > > diff --git a/gcc/auto-profile.cc b/gcc/auto-profile.cc > > index 2b34b80b82d..6533722817f 100644 > > --- a/gcc/auto-profile.cc > > +++ b/gcc/auto-profile.cc > > @@ -1752,13 +1752,13 @@ public: > >    } > >   > >    /* opt_pass methods: */ > > -  virtual bool > > -  gate (function *) > > +  bool > > +  gate (function *) final override > >    { > >      return flag_auto_profile; > >    } > > -  virtual unsigned int > > -  execute (function *) > > +  unsigned int > > +  execute (function *) final override > >    { > >      return autofdo::auto_profile (); > >    } > > diff --git a/gcc/bb-reorder.cc b/gcc/bb-reorder.cc > > index d20ccb83aa6..bdbe2e9ea7a 100644 > > --- a/gcc/bb-reorder.cc > > +++ b/gcc/bb-reorder.cc > > @@ -2633,7 +2633,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        if (targetm.cannot_modify_jumps_p ()) > >         return false; > > @@ -2641,7 +2641,7 @@ public: > >               && (flag_reorder_blocks || > > flag_reorder_blocks_and_partition)); > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_reorder_blocks > >   > > @@ -2794,8 +2794,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_duplicate_computed_gotos > >   > > @@ -2937,8 +2937,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_partition_blocks > >   > > diff --git a/gcc/cfgcleanup.cc b/gcc/cfgcleanup.cc > > index 335af4911bb..18047da7b24 100644 > > --- a/gcc/cfgcleanup.cc > > +++ b/gcc/cfgcleanup.cc > > @@ -3227,7 +3227,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_jump > >   > > @@ -3274,11 +3274,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >    { > >      return flag_thread_jumps && flag_expensive_optimizations; > >    } > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_jump_after_combine > >   > > @@ -3322,7 +3322,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        cleanup_cfg (flag_crossjumping ? CLEANUP_CROSSJUMP : 0); > >        return 0; > > diff --git a/gcc/cfgexpand.cc b/gcc/cfgexpand.cc > > index bb33c1b939e..1d7f6b260d0 100644 > > --- a/gcc/cfgexpand.cc > > +++ b/gcc/cfgexpand.cc > > @@ -6573,7 +6573,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_expand > >   > > diff --git a/gcc/cfgrtl.cc b/gcc/cfgrtl.cc > > index 06be46d75df..9a4651f61a3 100644 > > --- a/gcc/cfgrtl.cc > > +++ b/gcc/cfgrtl.cc > > @@ -483,7 +483,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_free_cfg > >   > > @@ -3698,7 +3698,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        cfg_layout_initialize (0); > >        return 0; > > @@ -3737,7 +3737,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_outof_cfg_layout_mode > >   > > diff --git a/gcc/cgraphbuild.cc b/gcc/cgraphbuild.cc > > index fdd17aa5a2d..bae44591a29 100644 > > --- a/gcc/cgraphbuild.cc > > +++ b/gcc/cgraphbuild.cc > > @@ -290,7 +290,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_build_cgraph_edges > >   > > @@ -484,8 +484,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_rebuild_cgraph_edges > > (m_ctxt); > > } > > -  virtual unsigned int execute (function *) > > +  opt_pass * clone () final override > > +  { > > +    return new pass_rebuild_cgraph_edges (m_ctxt); > > +  } > > +  unsigned int execute (function *) final override > >    { > >      return cgraph_edge::rebuild_edges (); > >    } > > @@ -524,10 +527,10 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { > > +  opt_pass * clone () final override { > >      return new pass_remove_cgraph_callee_edges (m_ctxt); > >    } > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_remove_cgraph_callee_edges > >   > > diff --git a/gcc/combine-stack-adj.cc b/gcc/combine-stack-adj.cc > > index e8ba2717063..e76d60a8f7e 100644 > > --- a/gcc/combine-stack-adj.cc > > +++ b/gcc/combine-stack-adj.cc > > @@ -823,8 +823,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_stack_adjustments (); > >      } > > diff --git a/gcc/combine.cc b/gcc/combine.cc > > index 9a34ef847aa..a8305273e44 100644 > > --- a/gcc/combine.cc > > +++ b/gcc/combine.cc > > @@ -15015,8 +15015,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return (optimize > 0); } > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override { return (optimize > 0); } > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_combine (); > >      } > > diff --git a/gcc/compare-elim.cc b/gcc/compare-elim.cc > > index 985c0c92182..e869d9d3249 100644 > > --- a/gcc/compare-elim.cc > > +++ b/gcc/compare-elim.cc > > @@ -954,7 +954,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        /* Setting this target hook value is how a backend indicates > > the > > need.  */ > >        if (targetm.flags_regnum == INVALID_REGNUM) > > @@ -962,7 +962,7 @@ public: > >        return flag_compare_elim_after_reload; > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return execute_compare_elim_after_reload (); > >      } > > diff --git a/gcc/config/i386/i386-features.cc > > b/gcc/config/i386/i386- > > features.cc > > index 6fe41c3c24f..24e8336689c 100644 > > --- a/gcc/config/i386/i386-features.cc > > +++ b/gcc/config/i386/i386-features.cc > > @@ -1873,13 +1873,13 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return TARGET_AVX && TARGET_VZEROUPPER > >         && flag_expensive_optimizations && !optimize_size; > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_insert_vzeroupper (); > >      } > > @@ -1908,23 +1908,23 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return ((!timode_p || TARGET_64BIT) > >               && TARGET_STV && TARGET_SSE2 && optimize > 1); > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return convert_scalars_to_vector (timode_p); > >      } > >   > > -  opt_pass *clone () > > +  opt_pass *clone () final override > >      { > >        return new pass_stv (m_ctxt); > >      } > >   > > -  void set_pass_param (unsigned int n, bool param) > > +  void set_pass_param (unsigned int n, bool param) final override > >      { > >        gcc_assert (n == 0); > >        timode_p = param; > > @@ -2135,14 +2135,14 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        need_endbr = (flag_cf_protection & CF_BRANCH) != 0; > >        patchable_area_size = crtl->patch_area_size - crtl- > > > patch_area_entry; > >        return need_endbr || patchable_area_size; > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        timevar_push (TV_MACH_DEP); > >        rest_of_insert_endbr_and_patchable_area (need_endbr, > > @@ -2399,7 +2399,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return (TARGET_AVX > >               && TARGET_SSE_PARTIAL_REG_DEPENDENCY > > @@ -2408,7 +2408,7 @@ public: > >               && optimize_function_for_speed_p (cfun)); > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return remove_partial_avx_dependency (); > >      } > > diff --git a/gcc/coroutine-passes.cc b/gcc/coroutine-passes.cc > > index 7b9a97af5a2..21ac9469805 100644 > > --- a/gcc/coroutine-passes.cc > > +++ b/gcc/coroutine-passes.cc > > @@ -213,9 +213,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_coroutines; }; > > +  bool gate (function *) final override { return flag_coroutines; > > }; > >   > > -  virtual unsigned int execute (function *f ATTRIBUTE_UNUSED) > > +  unsigned int execute (function *f ATTRIBUTE_UNUSED) final > > override > >    { > >      return execute_lower_coro_builtins (); > >    } > > @@ -511,12 +511,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *f) > > +  bool gate (function *f) final override > >      { > >        return flag_coroutines && f->coroutine_component; > >      } > >   > > -  virtual unsigned int execute (function *f ATTRIBUTE_UNUSED) > > +  unsigned int execute (function *f ATTRIBUTE_UNUSED) final > > override > >    { > >      return execute_early_expand_coro_ifns (); > >    } > > diff --git a/gcc/cprop.cc b/gcc/cprop.cc > > index cf01c2d79a9..580f811545d 100644 > > --- a/gcc/cprop.cc > > +++ b/gcc/cprop.cc > > @@ -1953,15 +1953,18 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_rtl_cprop (m_ctxt); } > > -  virtual bool gate (function *fun) > > +  opt_pass * clone () final override { return new pass_rtl_cprop > > (m_ctxt); } > > +  bool gate (function *fun) final override > >      { > >        return optimize > 0 && flag_gcse > >         && !fun->calls_setjmp > >         && dbg_cnt (cprop); > >      } > >   > > -  virtual unsigned int execute (function *) { return > > execute_rtl_cprop > > (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return execute_rtl_cprop (); > > +  } > >   > >  }; // class pass_rtl_cprop > >   > > diff --git a/gcc/cse.cc b/gcc/cse.cc > > index a18b599d324..b13afd4ba72 100644 > > --- a/gcc/cse.cc > > +++ b/gcc/cse.cc > > @@ -7571,8 +7571,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return optimize > 0; } > > -  virtual unsigned int execute (function *) { return > > rest_of_handle_cse (); } > > +  bool gate (function *) final override { return optimize > 0; } > > +  unsigned int execute (function *) final override > > +  { > > +    return rest_of_handle_cse (); > > +  } > >   > >  }; // class pass_cse > >   > > @@ -7642,12 +7645,15 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return optimize > 0 && flag_rerun_cse_after_loop; > >      } > >   > > -  virtual unsigned int execute (function *) { return > > rest_of_handle_cse2 (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return rest_of_handle_cse2 (); > > +  } > >   > >  }; // class pass_cse2 > >   > > @@ -7715,12 +7721,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return optimize > 0 && flag_rerun_cse_after_global_opts; > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_cse_after_global_opts (); > >      } > > diff --git a/gcc/dce.cc b/gcc/dce.cc > > index 6676cbcd429..64aa0aa471d 100644 > > --- a/gcc/dce.cc > > +++ b/gcc/dce.cc > > @@ -849,12 +849,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return optimize > 1 && flag_dce && dbg_cnt (dce_ud); > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_ud_dce (); > >      } > > @@ -1280,12 +1280,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return optimize > 0 && flag_dce && dbg_cnt (dce_fast); > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_fast_dce (); > >      } > > diff --git a/gcc/df-core.cc b/gcc/df-core.cc > > index a901b84878f..97b2bbf6d2b 100644 > > --- a/gcc/df-core.cc > > +++ b/gcc/df-core.cc > > @@ -741,8 +741,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return optimize > 0; } > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override { return optimize > 0; } > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_df_initialize (); > >      } > > @@ -781,8 +781,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return optimize == 0; } > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override { return optimize == 0; } > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_df_initialize (); > >      } > > @@ -848,7 +848,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_df_finish (); > >      } > > diff --git a/gcc/dse.cc b/gcc/dse.cc > > index 30c11cee034..83c572f6220 100644 > > --- a/gcc/dse.cc > > +++ b/gcc/dse.cc > > @@ -3747,12 +3747,15 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return optimize > 0 && flag_dse && dbg_cnt (dse1); > >      } > >   > > -  virtual unsigned int execute (function *) { return > > rest_of_handle_dse (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return rest_of_handle_dse (); > > +  } > >   > >  }; // class pass_rtl_dse1 > >   > > @@ -3787,12 +3790,15 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return optimize > 0 && flag_dse && dbg_cnt (dse2); > >      } > >   > > -  virtual unsigned int execute (function *) { return > > rest_of_handle_dse (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return rest_of_handle_dse (); > > +  } > >   > >  }; // class pass_rtl_dse2 > >   > > diff --git a/gcc/dwarf2cfi.cc b/gcc/dwarf2cfi.cc > > index ab7c5cc5b27..bef3165e691 100644 > > --- a/gcc/dwarf2cfi.cc > > +++ b/gcc/dwarf2cfi.cc > > @@ -3788,8 +3788,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) { return > > execute_dwarf2_frame (); } > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override > > +  { > > +    return execute_dwarf2_frame (); > > +  } > >   > >  }; // class pass_dwarf2_frame > >   > > diff --git a/gcc/early-remat.cc b/gcc/early-remat.cc > > index 2738892b4e7..5c368293c35 100644 > > --- a/gcc/early-remat.cc > > +++ b/gcc/early-remat.cc > > @@ -2615,12 +2615,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >    { > >      return optimize > 1 && NUM_POLY_INT_COEFFS > 1; > >    } > >   > > -  virtual unsigned int execute (function *f) > > +  unsigned int execute (function *f) final override > >    { > >      auto_sbitmap selected_modes (NUM_MACHINE_MODES); > >      bitmap_clear (selected_modes); > > diff --git a/gcc/except.cc b/gcc/except.cc > > index b94de425557..7d7ce40c846 100644 > > --- a/gcc/except.cc > > +++ b/gcc/except.cc > > @@ -2047,7 +2047,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return set_nothrow_function_flags (); > >      } > > @@ -2722,8 +2722,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override > >      { > >        int ret = convert_to_eh_region_ranges (); > >        maybe_add_nop_after_section_switch (); > > diff --git a/gcc/final.cc b/gcc/final.cc > > index a9868861bd2..81e21cb8db6 100644 > > --- a/gcc/final.cc > > +++ b/gcc/final.cc > > @@ -808,7 +808,10 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) { return > > compute_alignments (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return compute_alignments (); > > +  } > >   > >  }; // class pass_compute_alignments > >   > > @@ -4360,7 +4363,10 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) { return > > rest_of_handle_final (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return rest_of_handle_final (); > > +  } > >   > >  }; // class pass_final > >   > > @@ -4404,7 +4410,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_shorten_branches (); > >      } > > @@ -4579,7 +4585,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_clean_state (); > >      } > > diff --git a/gcc/function.cc b/gcc/function.cc > > index ad0096a43ef..0c3e4fffb05 100644 > > --- a/gcc/function.cc > > +++ b/gcc/function.cc > > @@ -2029,7 +2029,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return instantiate_virtual_regs (); > >      } > > @@ -6516,7 +6516,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_check_leaf_regs (); > >      } > > @@ -6617,7 +6617,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_thread_prologue_and_epilogue (); > >      } > > @@ -6655,7 +6655,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_zero_call_used_regs > >   > > @@ -6926,7 +6926,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_match_asm_constraints > >   > > diff --git a/gcc/fwprop.cc b/gcc/fwprop.cc > > index d12fc2f34ac..fc652ab9a1f 100644 > > --- a/gcc/fwprop.cc > > +++ b/gcc/fwprop.cc > > @@ -1029,8 +1029,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return gate_fwprop (); } > > -  virtual unsigned int execute (function *) { return fwprop > > (false); } > > +  bool gate (function *) final override { return gate_fwprop (); } > > +  unsigned int execute (function *) final override { return fwprop > > (false); } > >   > >  }; // class pass_rtl_fwprop > >   > > @@ -1065,8 +1065,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return gate_fwprop (); } > > -  virtual unsigned int execute (function *) { return fwprop > > (true); } > > +  bool gate (function *) final override { return gate_fwprop (); } > > +  unsigned int execute (function *) final override { return fwprop > > (true); } > >   > >  }; // class pass_rtl_fwprop_addr > >   > > diff --git a/gcc/gcse.cc b/gcc/gcse.cc > > index b67353143a2..f06278a5534 100644 > > --- a/gcc/gcse.cc > > +++ b/gcc/gcse.cc > > @@ -4049,8 +4049,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) { return > > execute_rtl_pre > > (); } > > +  bool gate (function *) final override; > > +  unsigned int execute (function *)  final override > > +  { > > +    return execute_rtl_pre (); > > +  } > >   > >  }; // class pass_rtl_pre > >   > > @@ -4099,8 +4102,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) { return > > execute_rtl_hoist > > (); } > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override > > +  { > > +    return execute_rtl_hoist (); > > +  } > >   > >  }; // class pass_rtl_hoist > >   > > diff --git a/gcc/gimple-harden-conditionals.cc b/gcc/gimple-harden- > > conditionals.cc > > index 79c0a5784ba..4ca6776fca7 100644 > > --- a/gcc/gimple-harden-conditionals.cc > > +++ b/gcc/gimple-harden-conditionals.cc > > @@ -71,11 +71,15 @@ public: > >    pass_harden_compares (gcc::context *ctxt) > >      : gimple_opt_pass (pass_data_harden_compares, ctxt) > >    {} > > -  opt_pass *clone () { return new pass_harden_compares (m_ctxt); } > > -  virtual bool gate (function *) { > > +  opt_pass *clone ()  final override > > +  { > > +    return new pass_harden_compares (m_ctxt); > > +  } > > +  bool gate (function *) final override > > +  { > >      return flag_harden_compares; > >    } > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >  }; > >   > >  /* Define a pass to harden conditionals in branches.  This pass > > must > > @@ -102,11 +106,15 @@ public: > >    pass_harden_conditional_branches (gcc::context *ctxt) > >      : gimple_opt_pass (pass_data_harden_conditional_branches, > > ctxt) > >    {} > > -  opt_pass *clone () { return new pass_harden_conditional_branches > > (m_ctxt); } > > -  virtual bool gate (function *) { > > +  opt_pass *clone () final override > > +  { > > +    return new pass_harden_conditional_branches (m_ctxt); > > +  } > > +  bool gate (function *) final override > > +  { > >      return flag_harden_conditional_branches; > >    } > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >  }; > >   > >  } > > diff --git a/gcc/gimple-if-to-switch.cc b/gcc/gimple-if-to- > > switch.cc > > index 5dcfe5b77e0..c89aef34381 100644 > > --- a/gcc/gimple-if-to-switch.cc > > +++ b/gcc/gimple-if-to-switch.cc > > @@ -478,13 +478,13 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >    { > >      return (jump_table_cluster::is_enabled () > >             || bit_test_cluster::is_enabled ()); > >    } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_if_to_switch > >   > > diff --git a/gcc/gimple-isel.cc b/gcc/gimple-isel.cc > > index 44d086d8b28..aa9c1290735 100644 > > --- a/gcc/gimple-isel.cc > > +++ b/gcc/gimple-isel.cc > > @@ -355,12 +355,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return true; > >      } > >   > > -  virtual unsigned int execute (function *fun) > > +  unsigned int execute (function *fun) final override > >      { > >        return gimple_expand_vec_exprs (fun); > >      } > > diff --git a/gcc/gimple-laddress.cc b/gcc/gimple-laddress.cc > > index 13c7858e161..11754dac5c3 100644 > > --- a/gcc/gimple-laddress.cc > > +++ b/gcc/gimple-laddress.cc > > @@ -66,9 +66,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_laddress (m_ctxt); } > > -  virtual bool gate (function *) { return optimize != 0; } > > -  virtual unsigned int execute (function *); > > +  opt_pass * clone () final override { return new pass_laddress > > (m_ctxt); } > > +  bool gate (function *) final override { return optimize != 0; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_laddress > >   > > diff --git a/gcc/gimple-loop-interchange.cc b/gcc/gimple-loop- > > interchange.cc > > index 53adc02acc2..5f59730be4c 100644 > > --- a/gcc/gimple-loop-interchange.cc > > +++ b/gcc/gimple-loop-interchange.cc > > @@ -1703,9 +1703,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_linterchange (m_ctxt); } > > -  virtual bool gate (function *) { return flag_loop_interchange; } > > -  virtual unsigned int execute (function *); > > +  opt_pass * clone () final override { return new > > pass_linterchange > > (m_ctxt); } > > +  bool gate (function *) final override { return > > flag_loop_interchange; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_linterchange > >   > > diff --git a/gcc/gimple-loop-jam.cc b/gcc/gimple-loop-jam.cc > > index e33dd9091df..9b18b52a54c 100644 > > --- a/gcc/gimple-loop-jam.cc > > +++ b/gcc/gimple-loop-jam.cc > > @@ -641,8 +641,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_unroll_jam != 0; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override { return flag_unroll_jam > > != 0; > > } > > +  unsigned int execute (function *) final override; > >   > >  }; > >   > > diff --git a/gcc/gimple-loop-versioning.cc b/gcc/gimple-loop- > > versioning.cc > > index ab02bdd4b15..6bcf6eba691 100644 > > --- a/gcc/gimple-loop-versioning.cc > > +++ b/gcc/gimple-loop-versioning.cc > > @@ -1782,8 +1782,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return > > flag_version_loops_for_strides; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override > > +  { > > +    return flag_version_loops_for_strides; > > +  } > > +  unsigned int execute (function *) final override; > >  }; > >   > >  unsigned int > > diff --git a/gcc/gimple-low.cc b/gcc/gimple-low.cc > > index 2ec19d5657d..4cd27dd19b0 100644 > > --- a/gcc/gimple-low.cc > > +++ b/gcc/gimple-low.cc > > @@ -192,7 +192,10 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) { return > > lower_function_body (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return lower_function_body (); > > +  } > >   > >  }; // class pass_lower_cf > >   > > diff --git a/gcc/gimple-ssa-backprop.cc b/gcc/gimple-ssa- > > backprop.cc > > index 74f98111256..55986ddbfe3 100644 > > --- a/gcc/gimple-ssa-backprop.cc > > +++ b/gcc/gimple-ssa-backprop.cc > > @@ -945,9 +945,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_backprop (m_ctxt); } > > -  virtual bool gate (function *) { return flag_ssa_backprop; } > > -  virtual unsigned int execute (function *); > > +  opt_pass * clone () final override { return new pass_backprop > > (m_ctxt); } > > +  bool gate (function *) final override { return > > flag_ssa_backprop; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_backprop > >   > > diff --git a/gcc/gimple-ssa-evrp.cc b/gcc/gimple-ssa-evrp.cc > > index 20388ed5431..793a3ea1f19 100644 > > --- a/gcc/gimple-ssa-evrp.cc > > +++ b/gcc/gimple-ssa-evrp.cc > > @@ -377,12 +377,12 @@ public: > >      {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_early_vrp (m_ctxt); } > > -  virtual bool gate (function *) > > +  opt_pass * clone () final override { return new pass_early_vrp > > (m_ctxt); } > > +  bool gate (function *) final override > >      { > >        return flag_tree_vrp != 0; > >      } > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { return execute_early_vrp (); } > >   > >  }; // class pass_vrp > > diff --git a/gcc/gimple-ssa-isolate-paths.cc b/gcc/gimple-ssa- > > isolate- > > paths.cc > > index cc0ed9760a0..87ecd19ef4a 100644 > > --- a/gcc/gimple-ssa-isolate-paths.cc > > +++ b/gcc/gimple-ssa-isolate-paths.cc > > @@ -969,8 +969,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_isolate_erroneous_paths > > (m_ctxt); } > > -  virtual bool gate (function *) > > +  opt_pass * clone () final override > > +  { > > +    return new pass_isolate_erroneous_paths (m_ctxt); > > +  } > > +  bool gate (function *) final override > >      { > >        /* If we do not have a suitable builtin function for the > > trap > > statement, > >          then do not perform the optimization.  */ > > @@ -979,7 +982,7 @@ public: > >               || warn_null_dereference); > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return gimple_ssa_isolate_erroneous_paths (); > >      } > > diff --git a/gcc/gimple-ssa-nonnull-compare.cc b/gcc/gimple-ssa- > > nonnull-compare.cc > > index cc52b914258..f9ce8c7a083 100644 > > --- a/gcc/gimple-ssa-nonnull-compare.cc > > +++ b/gcc/gimple-ssa-nonnull-compare.cc > > @@ -126,9 +126,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return warn_nonnull_compare; } > > +  bool gate (function *) final override { return > > warn_nonnull_compare; > > } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_warn_nonnull_compare > >   > > diff --git a/gcc/gimple-ssa-split-paths.cc b/gcc/gimple-ssa-split- > > paths.cc > > index 6abe1d51400..f2e43e52c95 100644 > > --- a/gcc/gimple-ssa-split-paths.cc > > +++ b/gcc/gimple-ssa-split-paths.cc > > @@ -579,9 +579,12 @@ class pass_split_paths : public > > gimple_opt_pass > >        : gimple_opt_pass (pass_data_split_paths, ctxt) > >      {} > >     /* opt_pass methods: */ > > -   opt_pass * clone () { return new pass_split_paths (m_ctxt); } > > -   virtual bool gate (function *) { return gate_split_paths (); } > > -   virtual unsigned int execute (function *) { return > > execute_split_paths (); } > > +  opt_pass * clone () final override { return new pass_split_paths > > (m_ctxt); } > > +  bool gate (function *) final override { return gate_split_paths > > (); > > } > > +  unsigned int execute (function *) final override > > +  { > > +    return execute_split_paths (); > > +  } > >   > >  }; // class pass_split_paths > >   > > diff --git a/gcc/gimple-ssa-store-merging.cc b/gcc/gimple-ssa- > > store- > > merging.cc > > index b952ce57917..0640168bcc4 100644 > > --- a/gcc/gimple-ssa-store-merging.cc > > +++ b/gcc/gimple-ssa-store-merging.cc > > @@ -1037,12 +1037,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return flag_expensive_optimizations && optimize && > > BITS_PER_UNIT > > == 8; > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_optimize_bswap > >   > > @@ -2433,8 +2433,8 @@ public: > >    /* Pass not supported for PDP-endian, nor for insane hosts or > >       target character sizes where native_{encode,interpret}_expr > >       doesn't work properly.  */ > > -  virtual bool > > -  gate (function *) > > +  bool > > +  gate (function *) final override > >    { > >      return flag_store_merging > >            && BYTES_BIG_ENDIAN == WORDS_BIG_ENDIAN > > @@ -2442,7 +2442,7 @@ public: > >            && BITS_PER_UNIT == 8; > >    } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  private: > >    hash_map > > m_stores; > > diff --git a/gcc/gimple-ssa-strength-reduction.cc b/gcc/gimple-ssa- > > strength-reduction.cc > > index dad73d31874..2b559e96fc8 100644 > > --- a/gcc/gimple-ssa-strength-reduction.cc > > +++ b/gcc/gimple-ssa-strength-reduction.cc > > @@ -4002,8 +4002,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_tree_slsr; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override { return flag_tree_slsr; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_strength_reduction > >   > > diff --git a/gcc/gimple-ssa-warn-access.cc b/gcc/gimple-ssa-warn- > > access.cc > > index 9357a4e576a..1f70cbdb884 100644 > > --- a/gcc/gimple-ssa-warn-access.cc > > +++ b/gcc/gimple-ssa-warn-access.cc > > @@ -2069,13 +2069,13 @@ class pass_waccess : public gimple_opt_pass > >   > >    ~pass_waccess (); > >   > > -  opt_pass *clone (); > > +  opt_pass *clone () final override; > >   > > -  virtual bool gate (function *); > > +  bool gate (function *) final override; > >   > > -  void set_pass_param (unsigned, bool); > > +  void set_pass_param (unsigned, bool) final override; > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  private: > >    /* Not copyable or assignable.  */ > > diff --git a/gcc/gimple-ssa-warn-alloca.cc b/gcc/gimple-ssa-warn- > > alloca.cc > > index 273b88ec141..83a241a3a4b 100644 > > --- a/gcc/gimple-ssa-warn-alloca.cc > > +++ b/gcc/gimple-ssa-warn-alloca.cc > > @@ -58,8 +58,8 @@ public: > >    pass_walloca (gcc::context *ctxt) > >      : gimple_opt_pass(pass_data_walloca, ctxt), xlimit_certain_p > > (false) > >    {} > > -  opt_pass *clone () { return new pass_walloca (m_ctxt); } > > -  void set_pass_param (unsigned int n, bool param) > > +  opt_pass *clone () final override { return new pass_walloca > > (m_ctxt); } > > +  void set_pass_param (unsigned int n, bool param) final override > >      { > >        gcc_assert (n == 0); > >        // Set to true to enable only warnings for alloca calls that > > @@ -69,8 +69,8 @@ public: > >        // the "may be too large" kind. > >        xlimit_certain_p = param; > >      } > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override; > >   > >   private: > >    // Set to TRUE the first time we run this pass on a function. > > diff --git a/gcc/gimple-ssa-warn-restrict.cc b/gcc/gimple-ssa-warn- > > restrict.cc > > index b678e806da3..2a1afcbb0fc 100644 > > --- a/gcc/gimple-ssa-warn-restrict.cc > > +++ b/gcc/gimple-ssa-warn-restrict.cc > > @@ -64,8 +64,8 @@ class pass_wrestrict : public gimple_opt_pass > >   public: > >    pass_wrestrict (gcc::context *); > >   > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override; > >   > >    void check_call (gimple *); > >   > > diff --git a/gcc/gimple-warn-recursion.cc b/gcc/gimple-warn- > > recursion.cc > > index 91a3cdbacd4..9b04899cf78 100644 > > --- a/gcc/gimple-warn-recursion.cc > > +++ b/gcc/gimple-warn-recursion.cc > > @@ -52,9 +52,9 @@ public: > >    pass_warn_recursion (gcc::context *); > >   > >  private: > > -  virtual bool gate (function *) { return warn_infinite_recursion; > > } > > +  bool gate (function *) final override { return > > warn_infinite_recursion; } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >    bool find_function_exit (basic_block); > >   > > diff --git a/gcc/graphite.cc b/gcc/graphite.cc > > index ab8683b5b41..a88b13c0219 100644 > > --- a/gcc/graphite.cc > > +++ b/gcc/graphite.cc > > @@ -574,7 +574,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return gate_graphite_transforms > > (); > > } > > +  bool gate (function *) final override { return > > gate_graphite_transforms (); } > >   > >  }; // class pass_graphite > >   > > @@ -609,8 +609,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return gate_graphite_transforms > > (); > > } > > -  virtual unsigned int execute (function *fun) { return > > graphite_transforms (fun); } > > +  bool gate (function *) final override { return > > gate_graphite_transforms (); } > > +  unsigned int execute (function *fun) final override > > +  { > > +    return graphite_transforms (fun); > > +  } > >   > >  }; // class pass_graphite_transforms > >   > > diff --git a/gcc/ifcvt.cc b/gcc/ifcvt.cc > > index b983e87389f..28b153cf2ae 100644 > > --- a/gcc/ifcvt.cc > > +++ b/gcc/ifcvt.cc > > @@ -5933,12 +5933,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return (optimize > 0) && dbg_cnt (if_conversion); > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_if_conversion (); > >      } > > @@ -5980,13 +5980,13 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return optimize > 0 && flag_if_conversion > >         && dbg_cnt (if_after_combine); > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        if_convert (true); > >        return 0; > > @@ -6026,13 +6026,13 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return optimize > 0 && flag_if_conversion2 > >         && dbg_cnt (if_after_reload); > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        if_convert (true); > >        return 0; > > diff --git a/gcc/init-regs.cc b/gcc/init-regs.cc > > index 220ef705997..652befefdaa 100644 > > --- a/gcc/init-regs.cc > > +++ b/gcc/init-regs.cc > > @@ -153,8 +153,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return optimize > 0; } > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override { return optimize > 0; } > > +  unsigned int execute (function *) final override > >      { > >        initialize_uninitialized_regs (); > >        return 0; > > diff --git a/gcc/ipa-comdats.cc b/gcc/ipa-comdats.cc > > index 566faf3cc1f..da792065ed3 100644 > > --- a/gcc/ipa-comdats.cc > > +++ b/gcc/ipa-comdats.cc > > @@ -420,8 +420,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) { return ipa_comdats > > (); } > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override { return > > ipa_comdats (); } > >   > >  }; // class pass_ipa_comdats > >   > > diff --git a/gcc/ipa-cp.cc b/gcc/ipa-cp.cc > > index 152fe7244f7..38a21b17e39 100644 > > --- a/gcc/ipa-cp.cc > > +++ b/gcc/ipa-cp.cc > > @@ -6659,14 +6659,14 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        /* FIXME: We should remove the optimize check after we > > ensure we > > never run > >          IPA passes when not optimizing.  */ > >        return (flag_ipa_cp && optimize) || in_lto_p; > >      } > >   > > -  virtual unsigned int execute (function *) { return ipcp_driver > > (); } > > +  unsigned int execute (function *) final override { return > > ipcp_driver (); } > >   > >  }; // class pass_ipa_cp > >   > > diff --git a/gcc/ipa-devirt.cc b/gcc/ipa-devirt.cc > > index 9f1442dc3cc..412ca14f66b 100644 > > --- a/gcc/ipa-devirt.cc > > +++ b/gcc/ipa-devirt.cc > > @@ -3969,7 +3969,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        /* In LTO, always run the IPA passes and decide on function > > basis if the > >          pass is enabled.  */ > > @@ -3982,7 +3982,7 @@ public: > >               && optimize); > >      } > >   > > -  virtual unsigned int execute (function *) { return ipa_devirt > > (); } > > +  unsigned int execute (function *) final override { return > > ipa_devirt > > (); } > >   > >  }; // class pass_ipa_devirt > >   > > @@ -4361,12 +4361,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return (in_lto_p || flag_lto); > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return 0; > >      } > > diff --git a/gcc/ipa-fnsummary.cc b/gcc/ipa-fnsummary.cc > > index b12e7a1124d..832794fd5dc 100644 > > --- a/gcc/ipa-fnsummary.cc > > +++ b/gcc/ipa-fnsummary.cc > > @@ -4846,8 +4846,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_local_fn_summary (m_ctxt); > > } > > -  virtual unsigned int execute (function *) > > +  opt_pass * clone () final override > > +  { > > +    return new pass_local_fn_summary (m_ctxt); > > +  } > > +  unsigned int execute (function *) final override > >      { > >        return compute_fn_summary_for_current (); > >      } > > @@ -4889,14 +4892,17 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass *clone () { return new pass_ipa_free_fn_summary > > (m_ctxt); } > > -  void set_pass_param (unsigned int n, bool param) > > +  opt_pass *clone () final override > > +  { > > +    return new pass_ipa_free_fn_summary (m_ctxt); > > +  } > > +  void set_pass_param (unsigned int n, bool param) final override > >      { > >        gcc_assert (n == 0); > >        small_p = param; > >      } > > -  virtual bool gate (function *) { return true; } > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override { return true; } > > +  unsigned int execute (function *) final override > >      { > >        ipa_free_fn_summary (); > >        /* Free ipa-prop structures if they are no longer needed.  > > */ > > @@ -4950,7 +4956,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) { return 0; } > > +  unsigned int execute (function *) final override { return 0; } > >   > >  }; // class pass_ipa_fn_summary > >   > > diff --git a/gcc/ipa-free-lang-data.cc b/gcc/ipa-free-lang-data.cc > > index f99f7be1c58..ccdbf849c25 100644 > > --- a/gcc/ipa-free-lang-data.cc > > +++ b/gcc/ipa-free-lang-data.cc > > @@ -1173,7 +1173,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) { return > > free_lang_data > > (); } > > +  unsigned int execute (function *) final override { return > > free_lang_data (); } > >   > >  }; // class pass_ipa_free_lang_data > >   > > diff --git a/gcc/ipa-icf.cc b/gcc/ipa-icf.cc > > index 765ae746745..a8a162268ee 100644 > > --- a/gcc/ipa-icf.cc > > +++ b/gcc/ipa-icf.cc > > @@ -3637,12 +3637,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >    { > >      return in_lto_p || flag_ipa_icf_variables || > > flag_ipa_icf_functions; > >    } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >    { > >      return ipa_icf_driver(); > >    } > > diff --git a/gcc/ipa-inline.cc b/gcc/ipa-inline.cc > > index 22a009b7435..14969198cde 100644 > > --- a/gcc/ipa-inline.cc > > +++ b/gcc/ipa-inline.cc > > @@ -3100,7 +3100,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_early_inline > >   > > @@ -3150,7 +3150,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) { return ipa_inline > > (); } > > +  unsigned int execute (function *) final override { return > > ipa_inline > > (); } > >   > >  }; // class pass_ipa_inline > >   > > diff --git a/gcc/ipa-modref.cc b/gcc/ipa-modref.cc > > index 556816ab429..7c1f974bc7a 100644 > > --- a/gcc/ipa-modref.cc > > +++ b/gcc/ipa-modref.cc > > @@ -3508,15 +3508,15 @@ class pass_modref : public gimple_opt_pass > >         : gimple_opt_pass (pass_data_modref, ctxt) {} > >   > >      /* opt_pass methods: */ > > -    opt_pass *clone () > > +    opt_pass *clone () final override > >      { > >        return new pass_modref (m_ctxt); > >      } > > -    virtual bool gate (function *) > > +    bool gate (function *) final override > >      { > >        return flag_ipa_modref; > >      } > > -    virtual unsigned int execute (function *); > > +    unsigned int execute (function *) final override; > >  }; > >   > >  /* Encode TT to the output block OB using the summary streaming > > API.  > > */ > > @@ -4170,12 +4170,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass *clone () { return new pass_ipa_modref (m_ctxt); } > > -  virtual bool gate (function *) > > +  opt_pass *clone () final override { return new pass_ipa_modref > > (m_ctxt); } > > +  bool gate (function *) final override > >    { > >      return true; > >    } > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; > >   > > diff --git a/gcc/ipa-profile.cc b/gcc/ipa-profile.cc > > index b74d77f2c95..496f292acba 100644 > > --- a/gcc/ipa-profile.cc > > +++ b/gcc/ipa-profile.cc > > @@ -1053,8 +1053,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_ipa_profile || > > in_lto_p; } > > -  virtual unsigned int execute (function *) { return ipa_profile > > (); } > > +  bool gate (function *) final override { return flag_ipa_profile > > || > > in_lto_p; } > > +  unsigned int execute (function *) final override { return > > ipa_profile (); } > >   > >  }; // class pass_ipa_profile > >   > > diff --git a/gcc/ipa-pure-const.cc b/gcc/ipa-pure-const.cc > > index 2b4950a5969..0e55fc4bfc5 100644 > > --- a/gcc/ipa-pure-const.cc > > +++ b/gcc/ipa-pure-const.cc > > @@ -168,8 +168,8 @@ public: > >    pass_ipa_pure_const(gcc::context *ctxt); > >   > >    /* opt_pass methods: */ > > -  bool gate (function *) { return gate_pure_const (); } > > -  unsigned int execute (function *fun); > > +  bool gate (function *) final override { return gate_pure_const > > (); } > > +  unsigned int execute (function *fun) final override; > >   > >    void register_hooks (void); > >   > > @@ -2154,9 +2154,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_local_pure_const (m_ctxt); > > } > > -  virtual bool gate (function *) { return gate_pure_const (); } > > -  virtual unsigned int execute (function *); > > +  opt_pass * clone () final override > > +  { > > +    return new pass_local_pure_const (m_ctxt); > > +  } > > +  bool gate (function *) final override { return gate_pure_const > > (); } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_local_pure_const > >   > > @@ -2270,8 +2273,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return > > warn_suggest_attribute_noreturn; } > > -  virtual unsigned int execute (function *fun) > > +  bool gate (function *) final override > > +  { > > +    return warn_suggest_attribute_noreturn; > > +  } > > +  unsigned int execute (function *fun) final override > >      { > >        if (!TREE_THIS_VOLATILE (current_function_decl) > >           && EDGE_COUNT (EXIT_BLOCK_PTR_FOR_FN (fun)->preds) == 0) > > @@ -2316,9 +2322,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_nothrow (m_ctxt); } > > -  virtual bool gate (function *) { return optimize; } > > -  virtual unsigned int execute (function *); > > +  opt_pass * clone () final override { return new pass_nothrow > > (m_ctxt); } > > +  bool gate (function *) final override { return optimize; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_nothrow > >   > > diff --git a/gcc/ipa-reference.cc b/gcc/ipa-reference.cc > > index 67e0c85a95e..b5a2350ce72 100644 > > --- a/gcc/ipa-reference.cc > > +++ b/gcc/ipa-reference.cc > > @@ -1299,14 +1299,14 @@ public: > >      {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return ((in_lto_p || flag_ipa_reference) > >               /* Don't bother doing anything if the program has > > errors.  */ > >               && !seen_error ()); > >      } > >   > > -  virtual unsigned int execute (function *) { return propagate (); > > } > > +  unsigned int execute (function *) final override { return > > propagate > > (); } > >   > >  }; // class pass_ipa_reference > >   > > diff --git a/gcc/ipa-split.cc b/gcc/ipa-split.cc > > index 60021bad13c..16734617d03 100644 > > --- a/gcc/ipa-split.cc > > +++ b/gcc/ipa-split.cc > > @@ -1915,8 +1915,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override > >      { > >        return execute_split_functions (); > >      } > > @@ -1974,8 +1974,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override > >      { > >        return execute_feedback_split_functions (); > >      } > > diff --git a/gcc/ipa-sra.cc b/gcc/ipa-sra.cc > > index 261a720858f..4f705a3febf 100644 > > --- a/gcc/ipa-sra.cc > > +++ b/gcc/ipa-sra.cc > > @@ -4049,14 +4049,17 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        /* TODO: We should remove the optimize check after we ensure > > we > > never run > >          IPA passes when not optimizing.  */ > >        return (flag_ipa_sra && optimize); > >      } > >   > > -  virtual unsigned int execute (function *) { return > > ipa_sra_analysis > > (); } > > +  unsigned int execute (function *)  final override > > +  { > > +    return ipa_sra_analysis (); > > +  } > >   > >  }; // class pass_ipa_sra > >   > > diff --git a/gcc/ipa-visibility.cc b/gcc/ipa-visibility.cc > > index e95a0dd252f..8a27e7bcdfd 100644 > > --- a/gcc/ipa-visibility.cc > > +++ b/gcc/ipa-visibility.cc > > @@ -959,12 +959,12 @@ public: > >   > >    /* opt_pass methods: */ > >   > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        /* Do not re-run on ltrans stage.  */ > >        return !flag_ltrans; > >      } > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return whole_program_function_and_variable_visibility (); > >      } > > @@ -988,7 +988,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return function_and_variable_visibility (flag_whole_program > > && > > !flag_lto); > >      } > > diff --git a/gcc/ipa.cc b/gcc/ipa.cc > > index f53f15f5f0a..c01dca17bec 100644 > > --- a/gcc/ipa.cc > > +++ b/gcc/ipa.cc > > @@ -1343,8 +1343,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) { return > > ipa_cdtor_merge > > (); } > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override > > +  { > > +    return ipa_cdtor_merge (); > > +  } > >   > >  }; // class pass_ipa_cdtor_merge > >   > > @@ -1566,7 +1569,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) { return > > ipa_single_use > > (); } > > +  unsigned int execute (function *) final override { return > > ipa_single_use (); } > >   > >  }; // class pass_ipa_single_use > >   > > diff --git a/gcc/ira.cc b/gcc/ira.cc > > index e3b3c549120..42c9cead9f8 100644 > > --- a/gcc/ira.cc > > +++ b/gcc/ira.cc > > @@ -6074,11 +6074,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return !targetm.no_register_allocation; > >      } > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        ira (dump_file); > >        return 0; > > @@ -6117,11 +6117,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return !targetm.no_register_allocation; > >      } > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        do_reload (); > >        return 0; > > diff --git a/gcc/jump.cc b/gcc/jump.cc > > index 332f86878e1..e6207169be0 100644 > > --- a/gcc/jump.cc > > +++ b/gcc/jump.cc > > @@ -182,7 +182,10 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) { return > > cleanup_barriers > > (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return cleanup_barriers (); > > +  } > >   > >  }; // class pass_cleanup_barriers > >   > > diff --git a/gcc/loop-init.cc b/gcc/loop-init.cc > > index 1e4f6cfd7fb..648aa290916 100644 > > --- a/gcc/loop-init.cc > > +++ b/gcc/loop-init.cc > > @@ -357,7 +357,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > +  bool gate (function *) final override; > >   > >  }; // class pass_loop2 > >   > > @@ -429,7 +429,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) { return rtl_loop_init > > (); > > } > > +  unsigned int execute (function *) final override { return > > rtl_loop_init (); } > >   > >  }; // class pass_rtl_loop_init > >   > > @@ -467,7 +467,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_rtl_loop_done > >   > > @@ -523,8 +523,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return > > flag_move_loop_invariants; } > > -  virtual unsigned int execute (function *fun) > > +  bool gate (function *) final override { return > > flag_move_loop_invariants; } > > +  unsigned int execute (function *fun) final override > >      { > >        if (number_of_loops (fun) > 1) > >         move_loop_invariants (); > > @@ -565,12 +565,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return (flag_unroll_loops || flag_unroll_all_loops || cfun- > > > has_unroll); > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_rtl_unroll_loops > >   > > @@ -625,8 +625,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_rtl_doloop > >   > > diff --git a/gcc/lower-subreg.cc b/gcc/lower-subreg.cc > > index d30bbeeabda..03e9326c663 100644 > > --- a/gcc/lower-subreg.cc > > +++ b/gcc/lower-subreg.cc > > @@ -1769,8 +1769,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_split_wide_types != > > 0; > > } > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override { return > > flag_split_wide_types > > != 0; } > > +  unsigned int execute (function *) final override > >      { > >        decompose_multiword_subregs (false); > >        return 0; > > @@ -1811,9 +1811,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_split_wide_types > > -                                         && > > flag_split_wide_types_early; } > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override > > +  { > > +    return flag_split_wide_types && flag_split_wide_types_early; > > +  } > > +  unsigned int execute (function *) final override > >      { > >        decompose_multiword_subregs (true); > >        return 0; > > @@ -1854,8 +1856,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_split_wide_types; } > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override { return > > flag_split_wide_types; } > > +  unsigned int execute (function *) final override > >      { > >        decompose_multiword_subregs (true); > >        return 0; > > diff --git a/gcc/mode-switching.cc b/gcc/mode-switching.cc > > index 6e3f1dc65e2..b0f6e7cedd4 100644 > > --- a/gcc/mode-switching.cc > > +++ b/gcc/mode-switching.cc > > @@ -893,8 +893,8 @@ public: > >    /* opt_pass methods: */ > >    /* The epiphany backend creates a second instance of this pass, > > so > > we need > >       a clone method.  */ > > -  opt_pass * clone () { return new pass_mode_switching (m_ctxt); } > > -  virtual bool gate (function *) > > +  opt_pass * clone () final override { return new > > pass_mode_switching > > (m_ctxt); } > > +  bool gate (function *) final override > >      { > >  #ifdef OPTIMIZE_MODE_SWITCHING > >        return true; > > @@ -903,7 +903,7 @@ public: > >  #endif > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >  #ifdef OPTIMIZE_MODE_SWITCHING > >        optimize_mode_switching (); > > diff --git a/gcc/modulo-sched.cc b/gcc/modulo-sched.cc > > index 1e1fa7055a2..f78d791cb01 100644 > > --- a/gcc/modulo-sched.cc > > +++ b/gcc/modulo-sched.cc > > @@ -3338,12 +3338,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >  { > >    return (optimize > 0 && flag_modulo_sched); > >  } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_sms > >   > > diff --git a/gcc/multiple_target.cc b/gcc/multiple_target.cc > > index 7fe02fb55c8..3e2d26882c8 100644 > > --- a/gcc/multiple_target.cc > > +++ b/gcc/multiple_target.cc > > @@ -526,8 +526,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) { return > > ipa_target_clone > > (); } > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override > > +  { > > +    return ipa_target_clone (); > > +  } > >  }; > >   > >  bool > > diff --git a/gcc/omp-expand.cc b/gcc/omp-expand.cc > > index 9fcc67a3448..3d48e1df175 100644 > > --- a/gcc/omp-expand.cc > > +++ b/gcc/omp-expand.cc > > @@ -10574,7 +10574,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        bool gate = ((flag_openacc != 0 || flag_openmp != 0 > >                     || flag_openmp_simd != 0) > > @@ -10621,12 +10621,18 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *fun) > > +  bool gate (function *fun) final override > >      { > >        return !(fun->curr_properties & PROP_gimple_eomp); > >      } > > -  virtual unsigned int execute (function *) { return > > execute_expand_omp (); } > > -  opt_pass * clone () { return new pass_expand_omp_ssa (m_ctxt); } > > +  unsigned int execute (function *) final override > > +  { > > +    return execute_expand_omp (); > > +  } > > +  opt_pass * clone () final override > > +  { > > +    return new pass_expand_omp_ssa (m_ctxt); > > +  } > >   > >  }; // class pass_expand_omp_ssa > >   > > diff --git a/gcc/omp-low.cc b/gcc/omp-low.cc > > index c83af6c3865..e00788f0ea1 100644 > > --- a/gcc/omp-low.cc > > +++ b/gcc/omp-low.cc > > @@ -14594,7 +14594,10 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) { return > > execute_lower_omp > > (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return execute_lower_omp (); > > +  } > >   > >  }; // class pass_lower_omp > >   > > @@ -14902,11 +14905,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >    { > >      return flag_openacc || flag_openmp || flag_openmp_simd; > >    } > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return diagnose_omp_structured_block_errors (); > >      } > > diff --git a/gcc/omp-oacc-kernels-decompose.cc b/gcc/omp-oacc- > > kernels- > > decompose.cc > > index ec9b0faab0a..524060e2fca 100644 > > --- a/gcc/omp-oacc-kernels-decompose.cc > > +++ b/gcc/omp-oacc-kernels-decompose.cc > > @@ -1615,12 +1615,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >    { > >      return (flag_openacc > >             && param_openacc_kernels == OPENACC_KERNELS_DECOMPOSE); > >    } > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >    { > >      return omp_oacc_kernels_decompose (); > >    } > > diff --git a/gcc/omp-oacc-neuter-broadcast.cc b/gcc/omp-oacc- > > neuter- > > broadcast.cc > > index 81e3223a94c..b6177794cde 100644 > > --- a/gcc/omp-oacc-neuter-broadcast.cc > > +++ b/gcc/omp-oacc-neuter-broadcast.cc > > @@ -1945,7 +1945,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *fun) > > +  bool gate (function *fun) final override > >    { > >      if (!flag_openacc) > >        return false; > > @@ -1961,7 +1961,7 @@ public: > >      return true; > >    } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return execute_omp_oacc_neuter_broadcast (); > >      } > > diff --git a/gcc/omp-offload.cc b/gcc/omp-offload.cc > > index ad4e772015e..9de04fc520c 100644 > > --- a/gcc/omp-offload.cc > > +++ b/gcc/omp-offload.cc > > @@ -2449,9 +2449,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_openacc; }; > > +  bool gate (function *) final override { return flag_openacc; }; > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return execute_oacc_loop_designation (); > >      } > > @@ -2479,9 +2479,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_openacc; }; > > +  bool gate (function *) final override { return flag_openacc; }; > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return execute_oacc_device_lower (); > >      } > > @@ -2713,13 +2713,13 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *fun) > > +  bool gate (function *fun) final override > >      { > >        return (!(fun->curr_properties & PROP_gimple_lomp_dev) > >               || (flag_openmp > >                   && cgraph_node::get (fun->decl)- > > > calls_declare_variant_alt)); > >      } > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return execute_omp_device_lower (); > >      } > > @@ -2759,7 +2759,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *fun) > > +  bool gate (function *fun) final override > >      { > >  #ifdef ACCEL_COMPILER > >        return offloading_function_p (fun->decl); > > @@ -2769,7 +2769,7 @@ public: > >  #endif > >      } > >   > > -  virtual unsigned execute (function *); > > +  unsigned execute (function *) final override; > >  }; > >   > >  /* Callback for walk_gimple_stmt used to scan for link var > > operands.  > > */ > > diff --git a/gcc/omp-simd-clone.cc b/gcc/omp-simd-clone.cc > > index 04fe03cde5f..32649bc3f9a 100644 > > --- a/gcc/omp-simd-clone.cc > > +++ b/gcc/omp-simd-clone.cc > > @@ -1819,8 +1819,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) { return > > ipa_omp_simd_clone (); } > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override > > +  { > > +    return ipa_omp_simd_clone (); > > +  } > >  }; > >   > >  bool > > diff --git a/gcc/passes.cc b/gcc/passes.cc > > index 36e5b4ac45f..78a07f8691a 100644 > > --- a/gcc/passes.cc > > +++ b/gcc/passes.cc > > @@ -417,13 +417,13 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        /* Don't bother doing anything if the program has errors.  > > */ > >        return (!seen_error () && !in_lto_p); > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return execute_build_ssa_passes (); > >      } > > @@ -451,7 +451,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        /* Don't bother doing anything if the program has errors.  > > */ > >        return (!seen_error () && !in_lto_p); > > @@ -480,7 +480,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        /* Don't bother doing anything if the program has errors.  > > */ > >        return (!seen_error () && !in_lto_p); > > @@ -531,7 +531,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return (optimize >= 1 > >               /* Don't bother doing anything if the program has > > errors.  */ > > @@ -571,7 +571,10 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return optimize >= 1 && > > !optimize_debug; } > > +  bool gate (function *) final override > > +  { > > +    return optimize >= 1 && !optimize_debug; > > +  } > >   > >  }; // class pass_all_optimizations > >   > > @@ -606,7 +609,10 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return optimize >= 1 && > > optimize_debug; } > > +  bool gate (function *) final override > > +  { > > +    return optimize >= 1 && optimize_debug; > > +  } > >   > >  }; // class pass_all_optimizations_g > >   > > @@ -641,7 +647,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        /* Early return if there were errors.  We can run afoul of > > our > >          consistency checks, and there's not really much point in > > fixing them.  */ > > @@ -681,7 +687,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return reload_completed; } > > +  bool gate (function *) final override { return reload_completed; > > } > >   > >  }; // class pass_postreload > >   > > @@ -716,7 +722,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >    { > >      return reload_completed || targetm.no_register_allocation; > >    } > > @@ -756,15 +762,15 @@ public: > >    { > >    } > >   > > -  virtual bool > > -  gate (function *fun) > > +  bool > > +  gate (function *fun) final override > >    { > >      return flag_tree_slp_vectorize > >            && (fun->pending_TODOs & > > PENDING_TODO_force_next_scalar_cleanup); > >    } > >   > > -  virtual unsigned int > > -  execute (function *fun) > > +  unsigned int > > +  execute (function *fun) final override > >    { > >      fun->pending_TODOs &= ~PENDING_TODO_force_next_scalar_cleanup; > >      return 0; > > diff --git a/gcc/postreload-gcse.cc b/gcc/postreload-gcse.cc > > index fc63f0b5c77..1c795b43ca3 100644 > > --- a/gcc/postreload-gcse.cc > > +++ b/gcc/postreload-gcse.cc > > @@ -1447,13 +1447,16 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *fun) > > +  bool gate (function *fun) final override > >      { > >        return (optimize > 0 && flag_gcse_after_reload > >               && optimize_function_for_speed_p (fun)); > >      } > >   > > -  virtual unsigned int execute (function *) { return > > rest_of_handle_gcse2 (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return rest_of_handle_gcse2 (); > > +  } > >   > >  }; // class pass_gcse2 > >   > > diff --git a/gcc/postreload.cc b/gcc/postreload.cc > > index 4a67d0d437a..d1c99fe6dc9 100644 > > --- a/gcc/postreload.cc > > +++ b/gcc/postreload.cc > > @@ -2339,9 +2339,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return (optimize > 0 && > > reload_completed); } > > +  bool gate (function *) final override > > +  { > > +    return (optimize > 0 && reload_completed); > > +  } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_postreload_cse > >   > > diff --git a/gcc/predict.cc b/gcc/predict.cc > > index 5734e4c8516..fb9fa514fbc 100644 > > --- a/gcc/predict.cc > > +++ b/gcc/predict.cc > > @@ -4079,8 +4079,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_guess_branch_prob; > > } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override { return > > flag_guess_branch_prob; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_profile > >   > > @@ -4233,14 +4233,17 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_strip_predict_hints > > (m_ctxt); > > } > > -  void set_pass_param (unsigned int n, bool param) > > +  opt_pass * clone () final override > > +  { > > +    return new pass_strip_predict_hints (m_ctxt); > > +  } > > +  void set_pass_param (unsigned int n, bool param) final override > >      { > >        gcc_assert (n == 0); > >        early_p = param; > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  private: > >    bool early_p; > > diff --git a/gcc/recog.cc b/gcc/recog.cc > > index cd2410ab2ae..dac172bc7c0 100644 > > --- a/gcc/recog.cc > > +++ b/gcc/recog.cc > > @@ -4358,9 +4358,12 @@ public: > >    /* opt_pass methods: */ > >    /* The epiphany backend creates a second instance of this pass, > > so > > we need > >       a clone method.  */ > > -  opt_pass * clone () { return new pass_peephole2 (m_ctxt); } > > -  virtual bool gate (function *) { return (optimize > 0 && > > flag_peephole2); } > > -  virtual unsigned int execute (function *) > > +  opt_pass * clone () final override { return new pass_peephole2 > > (m_ctxt); } > > +  bool gate (function *) final override > > +  { > > +    return (optimize > 0 && flag_peephole2); > > +  } > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_peephole2 (); > >      } > > @@ -4400,8 +4403,11 @@ public: > >    /* opt_pass methods: */ > >    /* The epiphany backend creates a second instance of this pass, > > so > >       we need a clone method.  */ > > -  opt_pass * clone () { return new pass_split_all_insns (m_ctxt); > > } > > -  virtual unsigned int execute (function *) > > +  opt_pass * clone () final override > > +  { > > +    return new pass_split_all_insns (m_ctxt); > > +  } > > +  unsigned int execute (function *) final override > >      { > >        split_all_insns (); > >        return 0; > > @@ -4440,13 +4446,13 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        /* If optimizing, then go ahead and split insns now.  */ > >        return optimize > 0; > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        split_all_insns (); > >        return 0; > > @@ -4495,12 +4501,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return enable_split_before_sched2 (); > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        split_all_insns (); > >        return 0; > > @@ -4539,8 +4545,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override > >      { > >        split_all_insns (); > >        return 0; > > @@ -4598,7 +4604,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        /* The placement of the splitting that we do for > > shorten_branches > >          depends on whether regstack is used by the target or not.  > > */ > > @@ -4609,7 +4615,7 @@ public: > >  #endif > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return split_all_insns_noflow (); > >      } > > diff --git a/gcc/ree.cc b/gcc/ree.cc > > index de4f18e8a4d..da64ef679b7 100644 > > --- a/gcc/ree.cc > > +++ b/gcc/ree.cc > > @@ -1403,8 +1403,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return (optimize > 0 && > > flag_ree); > > } > > -  virtual unsigned int execute (function *) { return > > rest_of_handle_ree (); } > > +  bool gate (function *) final override { return (optimize > 0 && > > flag_ree); } > > +  unsigned int execute (function *) final override > > +  { > > +    return rest_of_handle_ree (); > > +  } > >   > >  }; // class pass_ree > >   > > diff --git a/gcc/reg-stack.cc b/gcc/reg-stack.cc > > index 5afeadf8c49..fd032501ad9 100644 > > --- a/gcc/reg-stack.cc > > +++ b/gcc/reg-stack.cc > > @@ -3413,7 +3413,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >  #ifdef STACK_REGS > >        return true; > > @@ -3468,7 +3468,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_stack_regs (); > >      } > > diff --git a/gcc/regcprop.cc b/gcc/regcprop.cc > > index 1fdc36713cd..8fcf9d529dd 100644 > > --- a/gcc/regcprop.cc > > +++ b/gcc/regcprop.cc > > @@ -1293,12 +1293,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return (optimize > 0 && (flag_cprop_registers)); > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_cprop_hardreg > >   > > diff --git a/gcc/reginfo.cc b/gcc/reginfo.cc > > index 2ab7bbb7353..705779d5c18 100644 > > --- a/gcc/reginfo.cc > > +++ b/gcc/reginfo.cc > > @@ -953,7 +953,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) { return reginfo_init > > (); > > } > > +  unsigned int execute (function *) final override { return > > reginfo_init (); } > >   > >  }; // class pass_reginfo_init > >   > > diff --git a/gcc/regrename.cc b/gcc/regrename.cc > > index 10271e1b17d..021a822cb79 100644 > > --- a/gcc/regrename.cc > > +++ b/gcc/regrename.cc > > @@ -2013,12 +2013,15 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return (optimize > 0 && (flag_rename_registers)); > >      } > >   > > -  virtual unsigned int execute (function *) { return > > regrename_optimize (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return regrename_optimize (); > > +  } > >   > >  }; // class pass_regrename > >   > > diff --git a/gcc/reorg.cc b/gcc/reorg.cc > > index 7624f514906..07b2045986c 100644 > > --- a/gcc/reorg.cc > > +++ b/gcc/reorg.cc > > @@ -3866,8 +3866,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_delay_slots (); > >      } > > @@ -3917,12 +3917,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return targetm.machine_dependent_reorg != 0; > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        targetm.machine_dependent_reorg (); > >        return 0; > > diff --git a/gcc/sancov.cc b/gcc/sancov.cc > > index 9c1025200b4..052fa4ef881 100644 > > --- a/gcc/sancov.cc > > +++ b/gcc/sancov.cc > > @@ -308,17 +308,17 @@ public: > >   > >    static const pass_data data; > >    opt_pass * > > -  clone () > > +  clone () final override > >    { > >      return new pass_sancov (m_ctxt); > >    } > > -  virtual bool > > -  gate (function *fun) > > +  bool > > +  gate (function *fun) final override > >    { > >      return sanitize_coverage_p (fun->decl) && (!O0 || !optimize); > >    } > > -  virtual unsigned int > > -  execute (function *fun) > > +  unsigned int > > +  execute (function *fun) final override > >    { > >      return sancov_pass (fun); > >    } > > diff --git a/gcc/sanopt.cc b/gcc/sanopt.cc > > index 125e0c936e7..7aebc6f39dc 100644 > > --- a/gcc/sanopt.cc > > +++ b/gcc/sanopt.cc > > @@ -942,8 +942,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_sanitize; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override { return flag_sanitize; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_sanopt > >   > > diff --git a/gcc/sched-rgn.cc b/gcc/sched-rgn.cc > > index a0dfdb7881f..0dc2a8f2851 100644 > > --- a/gcc/sched-rgn.cc > > +++ b/gcc/sched-rgn.cc > > @@ -3779,7 +3779,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >  #ifdef INSN_SCHEDULING > >        return flag_live_range_shrinkage; > > @@ -3788,7 +3788,7 @@ public: > >  #endif > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_live_range_shrinkage (); > >      } > > @@ -3826,8 +3826,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) { return > > rest_of_handle_sched (); } > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override > > +  { > > +    return rest_of_handle_sched (); > > +  } > >   > >  }; // class pass_sched > >   > > @@ -3872,8 +3875,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_sched2 (); > >      } > > @@ -3922,8 +3925,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override > >      { > >        return rest_of_handle_sched_fusion (); > >      } > > diff --git a/gcc/stack-ptr-mod.cc b/gcc/stack-ptr-mod.cc > > index b14bef98c49..4ccbb1cace3 100644 > > --- a/gcc/stack-ptr-mod.cc > > +++ b/gcc/stack-ptr-mod.cc > > @@ -71,7 +71,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_stack_ptr_mod > >   > > diff --git a/gcc/store-motion.cc b/gcc/store-motion.cc > > index 0f708700a14..b61c0686844 100644 > > --- a/gcc/store-motion.cc > > +++ b/gcc/store-motion.cc > > @@ -1243,8 +1243,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override > >      { > >        return execute_rtl_store_motion (); > >      } > > diff --git a/gcc/tracer.cc b/gcc/tracer.cc > > index 4d054fe8fc8..64517846dc4 100644 > > --- a/gcc/tracer.cc > > +++ b/gcc/tracer.cc > > @@ -424,12 +424,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return (optimize > 0 && flag_tracer && flag_reorder_blocks); > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_tracer > >   > > diff --git a/gcc/trans-mem.cc b/gcc/trans-mem.cc > > index ae2921f808e..131dce05476 100644 > > --- a/gcc/trans-mem.cc > > +++ b/gcc/trans-mem.cc > > @@ -864,8 +864,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_tm; } > > -  virtual unsigned int execute (function *) { return > > diagnose_tm_blocks (); } > > +  bool gate (function *) final override { return flag_tm; } > > +  unsigned int execute (function *) final override > > +  { > > +    return diagnose_tm_blocks (); > > +  } > >   > >  }; // class pass_diagnose_tm_blocks > >   > > @@ -1850,8 +1853,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_tm; } > > -  virtual unsigned int execute (function *) { return > > execute_lower_tm > > (); } > > +  bool gate (function *) final override { return flag_tm; } > > +  unsigned int execute (function *) final override > > +  { > > +    return execute_lower_tm (); > > +  } > >   > >  }; // class pass_lower_tm > >   > > @@ -2144,7 +2150,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return gate_tm_init (); } > > +  bool gate (function *) final override { return gate_tm_init (); > > } > >   > >  }; // class pass_tm_init > >   > > @@ -3162,7 +3168,10 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) { return > > execute_tm_mark > > (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return execute_tm_mark (); > > +  } > >   > >  }; // class pass_tm_mark > >   > > @@ -3324,7 +3333,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_tm_edges > >   > > @@ -4085,8 +4094,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_tm && optimize > 0; > > } > > -  virtual unsigned int execute (function *) { return > > execute_tm_memopt > > (); } > > +  bool gate (function *) final override { return flag_tm && > > optimize > > > 0; } > > +  unsigned int execute (function *) final override > > +  { > > +    return execute_tm_memopt (); > > +  } > >   > >  }; // class pass_tm_memopt > >   > > @@ -5667,8 +5679,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_tm; } > > -  virtual unsigned int execute (function *) { return > > ipa_tm_execute > > (); } > > +  bool gate (function *) final override { return flag_tm; } > > +  unsigned int execute (function *) final override { return > > ipa_tm_execute (); } > >   > >  }; // class pass_ipa_tm > >   > > diff --git a/gcc/tree-call-cdce.cc b/gcc/tree-call-cdce.cc > > index 83991fe373e..feb61f362cf 100644 > > --- a/gcc/tree-call-cdce.cc > > +++ b/gcc/tree-call-cdce.cc > > @@ -1171,7 +1171,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        /* The limit constants used in the implementation > >          assume IEEE floating point format.  Other formats > > @@ -1179,7 +1179,7 @@ public: > >        return flag_tree_builtin_call_dce != 0; > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_call_cdce > >   > > diff --git a/gcc/tree-cfg.cc b/gcc/tree-cfg.cc > > index 19ba09facce..37e89adf10e 100644 > > --- a/gcc/tree-cfg.cc > > +++ b/gcc/tree-cfg.cc > > @@ -407,7 +407,10 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) { return > > execute_build_cfg > > (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return execute_build_cfg (); > > +  } > >   > >  }; // class pass_build_cfg > >   > > @@ -9200,9 +9203,15 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) { return > > split_critical_edges (); } > > +  unsigned int execute (function *)  final override > > +  { > > +    return split_critical_edges (); > > +  } > >   > > -  opt_pass * clone () { return new pass_split_crit_edges (m_ctxt); > > } > > +  opt_pass * clone () final override > > +  { > > +    return new pass_split_crit_edges (m_ctxt); > > +  } > >  }; // class pass_split_crit_edges > >   > >  } // anon namespace > > @@ -9459,7 +9468,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_warn_function_return > >   > > @@ -9665,8 +9674,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_warn_unused_result; > > } > > -  virtual unsigned int execute (function *) > > +  bool gate (function *)  final override { return > > flag_warn_unused_result; } > > +  unsigned int execute (function *) final override > >      { > >        do_warn_unused_result (gimple_body (current_function_decl)); > >        return 0; > > @@ -9875,8 +9884,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_fixup_cfg (m_ctxt); } > > -  virtual unsigned int execute (function *) { return > > execute_fixup_cfg > > (); } > > +  opt_pass * clone () final override { return new pass_fixup_cfg > > (m_ctxt); } > > +  unsigned int execute (function *) final override > > +  { > > +    return execute_fixup_cfg (); > > +  } > >   > >  }; // class pass_fixup_cfg > >   > > diff --git a/gcc/tree-cfgcleanup.cc b/gcc/tree-cfgcleanup.cc > > index 893619eaaa4..a6d0bf2c40a 100644 > > --- a/gcc/tree-cfgcleanup.cc > > +++ b/gcc/tree-cfgcleanup.cc > > @@ -1406,8 +1406,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_merge_phi (m_ctxt); } > > -  virtual unsigned int execute (function *); > > +  opt_pass * clone () final override { return new pass_merge_phi > > (m_ctxt); } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_merge_phi > >   > > @@ -1584,7 +1584,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return execute_cleanup_cfg_post_optimizing (); > >      } > > diff --git a/gcc/tree-complex.cc b/gcc/tree-complex.cc > > index f722057bfec..61950a0f099 100644 > > --- a/gcc/tree-complex.cc > > +++ b/gcc/tree-complex.cc > > @@ -1915,8 +1915,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_lower_complex (m_ctxt); } > > -  virtual unsigned int execute (function *) { return > > tree_lower_complex (); } > > +  opt_pass * clone () final override { return new > > pass_lower_complex > > (m_ctxt); } > > +  unsigned int execute (function *) final override > > +  { > > +    return tree_lower_complex (); > > +  } > >   > >  }; // class pass_lower_complex > >   > > @@ -1952,14 +1955,17 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *fun) > > +  bool gate (function *fun) final override > >      { > >        /* With errors, normal optimization passes are not run.  If > > we > > don't > >          lower complex operations at all, rtl expansion will > > abort.  */ > >        return !(fun->curr_properties & PROP_gimple_lcx); > >      } > >   > > -  virtual unsigned int execute (function *) { return > > tree_lower_complex (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return tree_lower_complex (); > > +  } > >   > >  }; // class pass_lower_complex_O0 > >   > > diff --git a/gcc/tree-eh.cc b/gcc/tree-eh.cc > > index c37a5845343..076ecd3ec9a 100644 > > --- a/gcc/tree-eh.cc > > +++ b/gcc/tree-eh.cc > > @@ -2176,7 +2176,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_lower_eh > >   > > @@ -3295,8 +3295,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_exceptions != 0; } > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override { return flag_exceptions > > != 0; > > } > > +  unsigned int execute (function *) final override > >      { > >        refactor_eh_r (gimple_body (current_function_decl)); > >        return 0; > > @@ -3497,8 +3497,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_exceptions != 0; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override { return flag_exceptions > > != 0; > > } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_lower_resx > >   > > @@ -3922,8 +3922,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *fun) { return fun->eh->region_tree > > != > > NULL; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *fun) final override > > +  { > > +    return fun->eh->region_tree != NULL; > > +  } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_lower_eh_dispatch > >   > > @@ -4859,13 +4862,13 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_cleanup_eh (m_ctxt); } > > -  virtual bool gate (function *fun) > > +  opt_pass * clone () final override { return new pass_cleanup_eh > > (m_ctxt); } > > +  bool gate (function *fun) final override > >      { > >        return fun->eh != NULL && fun->eh->region_tree != NULL; > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_cleanup_eh > >   > > diff --git a/gcc/tree-emutls.cc b/gcc/tree-emutls.cc > > index 5f68703822c..b5aa307f60d 100644 > > --- a/gcc/tree-emutls.cc > > +++ b/gcc/tree-emutls.cc > > @@ -838,13 +838,16 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        /* If the target supports TLS natively, we need do nothing > > here.  */ > >        return !targetm.have_tls; > >      } > >   > > -  virtual unsigned int execute (function *) { return > > ipa_lower_emutls > > (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return ipa_lower_emutls (); > > +  } > >   > >  }; // class pass_ipa_lower_emutls > >   > > diff --git a/gcc/tree-if-conv.cc b/gcc/tree-if-conv.cc > > index 4531ca58bdf..480fea0e7c2 100644 > > --- a/gcc/tree-if-conv.cc > > +++ b/gcc/tree-if-conv.cc > > @@ -3408,8 +3408,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_if_conversion > >   > > diff --git a/gcc/tree-into-ssa.cc b/gcc/tree-into-ssa.cc > > index 22c2e5b7982..46df57ae0e1 100644 > > --- a/gcc/tree-into-ssa.cc > > +++ b/gcc/tree-into-ssa.cc > > @@ -2403,13 +2403,13 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *fun) > > +  bool gate (function *fun) final override > >      { > >        /* Do nothing for funcions that was produced already in SSA > > form.  */ > >        return !(fun->curr_properties & PROP_ssa); > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_build_ssa > >   > > diff --git a/gcc/tree-loop-distribution.cc b/gcc/tree-loop- > > distribution.cc > > index db6e9096a86..ec44c450cae 100644 > > --- a/gcc/tree-loop-distribution.cc > > +++ b/gcc/tree-loop-distribution.cc > > @@ -3896,13 +3896,13 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return flag_tree_loop_distribution > >         || flag_tree_loop_distribute_patterns; > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_loop_distribution > >   > > diff --git a/gcc/tree-nrv.cc b/gcc/tree-nrv.cc > > index b96d5b86f27..1faa481a8c9 100644 > > --- a/gcc/tree-nrv.cc > > +++ b/gcc/tree-nrv.cc > > @@ -125,9 +125,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return optimize > 0; } > > +  bool gate (function *) final override { return optimize > 0; } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_nrv > >   > > @@ -344,7 +344,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_return_slot > >   > > diff --git a/gcc/tree-object-size.cc b/gcc/tree-object-size.cc > > index 5ca87ae3504..bc3d7dd9bfa 100644 > > --- a/gcc/tree-object-size.cc > > +++ b/gcc/tree-object-size.cc > > @@ -2122,8 +2122,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_object_sizes (m_ctxt); } > > -  virtual unsigned int execute (function *fun) > > +  opt_pass * clone () final override { return new > > pass_object_sizes > > (m_ctxt); } > > +  unsigned int execute (function *fun) final override > >    { > >      return object_sizes_execute (fun, false); > >    } > > @@ -2162,7 +2162,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *fun) > > +  unsigned int execute (function *fun) final override > >    { > >      return object_sizes_execute (fun, true); > >    } > > diff --git a/gcc/tree-parloops.cc b/gcc/tree-parloops.cc > > index da1069683a3..2c3ef436ab7 100644 > > --- a/gcc/tree-parloops.cc > > +++ b/gcc/tree-parloops.cc > > @@ -4173,16 +4173,19 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >    { > >      if (oacc_kernels_p) > >        return flag_openacc; > >      else > >        return flag_tree_parallelize_loops > 1; > >    } > > -  virtual unsigned int execute (function *); > > -  opt_pass * clone () { return new pass_parallelize_loops > > (m_ctxt); } > > -  void set_pass_param (unsigned int n, bool param) > > +  unsigned int execute (function *) final override; > > +  opt_pass * clone () final override > > +  { > > +    return new pass_parallelize_loops (m_ctxt); > > +  } > > +  void set_pass_param (unsigned int n, bool param) final override > >      { > >        gcc_assert (n == 0); > >        oacc_kernels_p = param; > > diff --git a/gcc/tree-predcom.cc b/gcc/tree-predcom.cc > > index fb457250bbd..5d923fba170 100644 > > --- a/gcc/tree-predcom.cc > > +++ b/gcc/tree-predcom.cc > > @@ -3514,8 +3514,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool > > -  gate (function *) > > +  bool > > +  gate (function *) final override > >    { > >      if (flag_predictive_commoning != 0) > >        return true; > > @@ -3529,8 +3529,8 @@ public: > >      return false; > >    } > >   > > -  virtual unsigned int > > -  execute (function *fun) > > +  unsigned int > > +  execute (function *fun) final override > >    { > >      bool allow_unroll_p = flag_predictive_commoning != 0; > >      return run_tree_predictive_commoning (fun, allow_unroll_p); > > diff --git a/gcc/tree-profile.cc b/gcc/tree-profile.cc > > index 97aab8801d0..2beb49241f2 100644 > > --- a/gcc/tree-profile.cc > > +++ b/gcc/tree-profile.cc > > @@ -884,8 +884,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *) { return > > tree_profiling > > (); } > > +  bool gate (function *) final override; > > +  unsigned int execute (function *) final override { return > > tree_profiling (); } > >   > >  }; // class pass_ipa_tree_profile > >   > > diff --git a/gcc/tree-sra.cc b/gcc/tree-sra.cc > > index 081c51b58a4..461c8e0b0f4 100644 > > --- a/gcc/tree-sra.cc > > +++ b/gcc/tree-sra.cc > > @@ -4743,8 +4743,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return gate_intra_sra (); } > > -  virtual unsigned int execute (function *) { return > > early_intra_sra > > (); } > > +  bool gate (function *) final override { return gate_intra_sra > > (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return early_intra_sra (); > > +  } > >   > >  }; // class pass_sra_early > >   > > @@ -4779,8 +4782,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return gate_intra_sra (); } > > -  virtual unsigned int execute (function *) { return > > late_intra_sra > > (); } > > +  bool gate (function *) final override { return gate_intra_sra > > (); } > > +  unsigned int execute (function *) final override { return > > late_intra_sra (); } > >   > >  }; // class pass_sra > >   > > diff --git a/gcc/tree-ssa-ccp.cc b/gcc/tree-ssa-ccp.cc > > index 81c97676625..579a966cc9b 100644 > > --- a/gcc/tree-ssa-ccp.cc > > +++ b/gcc/tree-ssa-ccp.cc > > @@ -2994,14 +2994,17 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_ccp (m_ctxt); } > > -  void set_pass_param (unsigned int n, bool param) > > +  opt_pass * clone () final override { return new pass_ccp > > (m_ctxt); } > > +  void set_pass_param (unsigned int n, bool param) final override > >      { > >        gcc_assert (n == 0); > >        nonzero_p = param; > >      } > > -  virtual bool gate (function *) { return flag_tree_ccp != 0; } > > -  virtual unsigned int execute (function *) { return do_ssa_ccp > > (nonzero_p); } > > +  bool gate (function *) final override { return flag_tree_ccp != > > 0; } > > +  unsigned int execute (function *) final override > > +  { > > +    return do_ssa_ccp (nonzero_p); > > +  } > >   > >   private: > >    /* Determines whether the pass instance records nonzero bits.  > > */ > > @@ -4199,8 +4202,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_fold_builtins (m_ctxt); } > > -  virtual unsigned int execute (function *); > > +  opt_pass * clone () final override { return new > > pass_fold_builtins > > (m_ctxt); } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_fold_builtins > >   > > @@ -4550,9 +4553,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_post_ipa_warn (m_ctxt); } > > -  virtual bool gate (function *) { return warn_nonnull != 0; } > > -  virtual unsigned int execute (function *); > > +  opt_pass * clone () final override { return new > > pass_post_ipa_warn > > (m_ctxt); } > > +  bool gate (function *) final override { return warn_nonnull != > > 0; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_fold_builtins > >   > > diff --git a/gcc/tree-ssa-copy.cc b/gcc/tree-ssa-copy.cc > > index 050a6d11434..782ceb500cc 100644 > > --- a/gcc/tree-ssa-copy.cc > > +++ b/gcc/tree-ssa-copy.cc > > @@ -642,9 +642,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_copy_prop (m_ctxt); } > > -  virtual bool gate (function *) { return flag_tree_copy_prop != > > 0; } > > -  virtual unsigned int execute (function *) { return > > execute_copy_prop > > (); } > > +  opt_pass * clone () final override { return new pass_copy_prop > > (m_ctxt); } > > +  bool gate (function *) final override { return > > flag_tree_copy_prop > > != 0; } > > +  unsigned int execute (function *) final override > > +  { > > +    return execute_copy_prop (); > > +  } > >   > >  }; // class pass_copy_prop > >   > > diff --git a/gcc/tree-ssa-dce.cc b/gcc/tree-ssa-dce.cc > > index a6b284018d4..5df64922594 100644 > > --- a/gcc/tree-ssa-dce.cc > > +++ b/gcc/tree-ssa-dce.cc > > @@ -1974,9 +1974,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_dce (m_ctxt); } > > -  virtual bool gate (function *) { return flag_tree_dce != 0; } > > -  virtual unsigned int execute (function *) { return tree_ssa_dce > > (); > > } > > +  opt_pass * clone () final override { return new pass_dce > > (m_ctxt); } > > +  bool gate (function *) final override { return flag_tree_dce != > > 0; } > > +  unsigned int execute (function *) final override { return > > tree_ssa_dce (); } > >   > >  }; // class pass_dce > >   > > @@ -2011,14 +2011,14 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_cd_dce (m_ctxt); } > > -  void set_pass_param (unsigned n, bool param) > > +  opt_pass * clone () final override { return new pass_cd_dce > > (m_ctxt); } > > +  void set_pass_param (unsigned n, bool param) final override > >      { > >        gcc_assert (n == 0); > >        update_address_taken_p = param; > >      } > > -  virtual bool gate (function *) { return flag_tree_dce != 0; } > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override { return flag_tree_dce != > > 0; } > > +  unsigned int execute (function *) final override > >      { > >        return (tree_ssa_cd_dce () > >               | (update_address_taken_p ? TODO_update_address_taken > > : > > 0)); > > diff --git a/gcc/tree-ssa-dom.cc b/gcc/tree-ssa-dom.cc > > index 9a843217553..97e17ca68e4 100644 > > --- a/gcc/tree-ssa-dom.cc > > +++ b/gcc/tree-ssa-dom.cc > > @@ -793,14 +793,14 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_dominator (m_ctxt); } > > -  void set_pass_param (unsigned int n, bool param) > > +  opt_pass * clone () final override { return new pass_dominator > > (m_ctxt); } > > +  void set_pass_param (unsigned int n, bool param) final override > >      { > >        gcc_assert (n == 0); > >        may_peel_loop_headers_p = param; > >      } > > -  virtual bool gate (function *) { return flag_tree_dom != 0; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override { return flag_tree_dom != > > 0; } > > +  unsigned int execute (function *) final override; > >   > >   private: > >    /* This flag is used to prevent loops from being peeled > > repeatedly > > in jump > > diff --git a/gcc/tree-ssa-dse.cc b/gcc/tree-ssa-dse.cc > > index 881a2d0f98d..1c1fdb7e75b 100644 > > --- a/gcc/tree-ssa-dse.cc > > +++ b/gcc/tree-ssa-dse.cc > > @@ -1455,9 +1455,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_dse (m_ctxt); } > > -  virtual bool gate (function *) { return flag_tree_dse != 0; } > > -  virtual unsigned int execute (function *); > > +  opt_pass * clone () final override { return new pass_dse > > (m_ctxt); } > > +  bool gate (function *) final override { return flag_tree_dse != > > 0; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_dse > >   > > diff --git a/gcc/tree-ssa-forwprop.cc b/gcc/tree-ssa-forwprop.cc > > index 0917202b74c..6f09642172d 100644 > > --- a/gcc/tree-ssa-forwprop.cc > > +++ b/gcc/tree-ssa-forwprop.cc > > @@ -3330,9 +3330,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_forwprop (m_ctxt); } > > -  virtual bool gate (function *) { return flag_tree_forwprop; } > > -  virtual unsigned int execute (function *); > > +  opt_pass * clone () final override { return new pass_forwprop > > (m_ctxt); } > > +  bool gate (function *) final override { return > > flag_tree_forwprop; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_forwprop > >   > > diff --git a/gcc/tree-ssa-ifcombine.cc b/gcc/tree-ssa-ifcombine.cc > > index 88a9f062dcd..80c41c45489 100644 > > --- a/gcc/tree-ssa-ifcombine.cc > > +++ b/gcc/tree-ssa-ifcombine.cc > > @@ -829,7 +829,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_tree_ifcombine > >   > > diff --git a/gcc/tree-ssa-loop-ch.cc b/gcc/tree-ssa-loop-ch.cc > > index 2f5a390404c..9ab63d1fa0c 100644 > > --- a/gcc/tree-ssa-loop-ch.cc > > +++ b/gcc/tree-ssa-loop-ch.cc > > @@ -311,12 +311,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_tree_ch != 0; } > > +  bool gate (function *) final override { return flag_tree_ch != > > 0; } > >    > >    /* Initialize and finalize loop structures, copying headers > > inbetween.  */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > > -  opt_pass * clone () { return new pass_ch (m_ctxt); } > > +  opt_pass * clone () final override { return new pass_ch > > (m_ctxt); } > >   > >  protected: > >    /* ch_base method: */ > > @@ -347,14 +347,14 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *fun) > > +  bool gate (function *fun) final override > >    { > >      return flag_tree_ch != 0 > >            && (flag_tree_loop_vectorize != 0 || fun- > > > has_force_vectorize_loops); > >    } > >    > >    /* Just copy headers, no initialization/finalization of loop > > structures.  */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  protected: > >    /* ch_base method: */ > > diff --git a/gcc/tree-ssa-loop-im.cc b/gcc/tree-ssa-loop-im.cc > > index 6d9316eed1f..c0893f1927c 100644 > > --- a/gcc/tree-ssa-loop-im.cc > > +++ b/gcc/tree-ssa-loop-im.cc > > @@ -3597,9 +3597,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_lim (m_ctxt); } > > -  virtual bool gate (function *) { return flag_tree_loop_im != 0; > > } > > -  virtual unsigned int execute (function *); > > +  opt_pass * clone () final override { return new pass_lim > > (m_ctxt); } > > +  bool gate (function *) final override { return flag_tree_loop_im > > != > > 0; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_lim > >   > > diff --git a/gcc/tree-ssa-loop-ivcanon.cc b/gcc/tree-ssa-loop- > > ivcanon.cc > > index 2ee00a3f843..e52397235a1 100644 > > --- a/gcc/tree-ssa-loop-ivcanon.cc > > +++ b/gcc/tree-ssa-loop-ivcanon.cc > > @@ -1539,8 +1539,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_tree_loop_ivcanon > > != 0; > > } > > -  virtual unsigned int execute (function *fun); > > +  bool gate (function *) final override { return > > flag_tree_loop_ivcanon != 0; } > > +  unsigned int execute (function *fun) final override; > >   > >  }; // class pass_iv_canon > >   > > @@ -1586,7 +1586,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_complete_unroll > >   > > @@ -1644,8 +1644,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return optimize >= 2; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override { return optimize >= 2; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_complete_unrolli > >   > > diff --git a/gcc/tree-ssa-loop-prefetch.cc b/gcc/tree-ssa-loop- > > prefetch.cc > > index aebd7c9206f..8f190ae469b 100644 > > --- a/gcc/tree-ssa-loop-prefetch.cc > > +++ b/gcc/tree-ssa-loop-prefetch.cc > > @@ -2069,8 +2069,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return > > flag_prefetch_loop_arrays > > > 0; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override > > +  { > > +    return flag_prefetch_loop_arrays > 0; > > +  } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_loop_prefetch > >   > > diff --git a/gcc/tree-ssa-loop-split.cc b/gcc/tree-ssa-loop- > > split.cc > > index b93ee4c8769..d61bad5ba47 100644 > > --- a/gcc/tree-ssa-loop-split.cc > > +++ b/gcc/tree-ssa-loop-split.cc > > @@ -1724,8 +1724,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_split_loops != 0; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override { return flag_split_loops > > != > > 0; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_loop_split > >   > > diff --git a/gcc/tree-ssa-loop-unswitch.cc b/gcc/tree-ssa-loop- > > unswitch.cc > > index 2927f308234..3b6486f305a 100644 > > --- a/gcc/tree-ssa-loop-unswitch.cc > > +++ b/gcc/tree-ssa-loop-unswitch.cc > > @@ -1035,8 +1035,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_unswitch_loops != > > 0; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override { return > > flag_unswitch_loops > > != 0; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_tree_unswitch > >   > > diff --git a/gcc/tree-ssa-loop.cc b/gcc/tree-ssa-loop.cc > > index 73aa46627b4..1c058b08c2f 100644 > > --- a/gcc/tree-ssa-loop.cc > > +++ b/gcc/tree-ssa-loop.cc > > @@ -67,9 +67,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_tree_loop_optimize; > > } > > +  bool gate (function *) final override { return > > flag_tree_loop_optimize; } > >   > > -  virtual unsigned int execute (function *fn); > > +  unsigned int execute (function *fn) final override; > >  }; // class pass_fix_loops > >   > >  unsigned int > > @@ -134,7 +134,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *fn) { return gate_loop (fn); } > > +  bool gate (function *fn) final override { return gate_loop (fn); > > } > >   > >  }; // class pass_tree_loop > >   > > @@ -189,7 +189,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *fn) { return gate_oacc_kernels > > (fn); } > > +  bool gate (function *fn) final override { return > > gate_oacc_kernels > > (fn); } > >   > >  }; // class pass_oacc_kernels > >   > > @@ -226,7 +226,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >    { > >      return (optimize > >             && flag_openacc > > @@ -303,7 +303,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *fn) { return !gate_loop (fn); } > > +  bool gate (function *fn) final override { return !gate_loop > > (fn); } > >   > >  }; // class pass_tree_no_loop > >   > > @@ -341,7 +341,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_tree_loop_init > >   > > @@ -395,8 +395,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_tree_scev_cprop; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override { return > > flag_tree_scev_cprop; > > } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_scev_cprop > >   > > @@ -446,8 +446,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_ivopts != 0; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override { return flag_ivopts != 0; > > } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_iv_optimize > >   > > @@ -503,7 +503,10 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *) { return > > tree_ssa_loop_done (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return tree_ssa_loop_done (); > > +  } > >   > >  }; // class pass_tree_loop_done > >   > > diff --git a/gcc/tree-ssa-math-opts.cc b/gcc/tree-ssa-math-opts.cc > > index ce1df01f629..fe9f37b4cd4 100644 > > --- a/gcc/tree-ssa-math-opts.cc > > +++ b/gcc/tree-ssa-math-opts.cc > > @@ -920,8 +920,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return optimize && > > flag_reciprocal_math; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override > > +  { > > +    return optimize && flag_reciprocal_math; > > +  } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_cse_reciprocals > >   > > @@ -2249,14 +2252,14 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        /* We no longer require either sincos or cexp, since powi > > expansion > >          piggybacks on this pass.  */ > >        return optimize; > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_cse_sincos > >   > > @@ -4892,12 +4895,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return flag_expensive_optimizations && optimize; > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_optimize_widening_mul > >   > > diff --git a/gcc/tree-ssa-phiopt.cc b/gcc/tree-ssa-phiopt.cc > > index 8c9c46d41f1..162ca7098cd 100644 > > --- a/gcc/tree-ssa-phiopt.cc > > +++ b/gcc/tree-ssa-phiopt.cc > > @@ -3960,14 +3960,14 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_phiopt (m_ctxt); } > > -  void set_pass_param (unsigned n, bool param) > > +  opt_pass * clone () final override { return new pass_phiopt > > (m_ctxt); } > > +  void set_pass_param (unsigned n, bool param) final override > >      { > >        gcc_assert (n == 0); > >        early_p = param; > >      } > > -  virtual bool gate (function *) { return flag_ssa_phiopt; } > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override { return flag_ssa_phiopt; > > } > > +  unsigned int execute (function *) final override > >      { > >        return tree_ssa_phiopt_worker (false, > >                                      !early_p ? gate_hoist_loads () > > : > > false, > > @@ -4009,8 +4009,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_tree_cselim; } > > -  virtual unsigned int execute (function *) { return > > tree_ssa_cs_elim > > (); } > > +  bool gate (function *) final override { return flag_tree_cselim; > > } > > +  unsigned int execute (function *) final override > > +  { > > +    return tree_ssa_cs_elim (); > > +  } > >   > >  }; // class pass_cselim > >   > > diff --git a/gcc/tree-ssa-phiprop.cc b/gcc/tree-ssa-phiprop.cc > > index 7bbfc8c002a..965f1d1c4eb 100644 > > --- a/gcc/tree-ssa-phiprop.cc > > +++ b/gcc/tree-ssa-phiprop.cc > > @@ -476,8 +476,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_tree_phiprop; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override { return > > flag_tree_phiprop; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_phiprop > >   > > diff --git a/gcc/tree-ssa-pre.cc b/gcc/tree-ssa-pre.cc > > index 09a5e2055ca..e029bd36da3 100644 > > --- a/gcc/tree-ssa-pre.cc > > +++ b/gcc/tree-ssa-pre.cc > > @@ -4339,9 +4339,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { return flag_tree_pre != 0 || flag_code_hoisting != 0; } > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_pre > >   > > diff --git a/gcc/tree-ssa-reassoc.cc b/gcc/tree-ssa-reassoc.cc > > index 406523b5d2f..e13e2cb308d 100644 > > --- a/gcc/tree-ssa-reassoc.cc > > +++ b/gcc/tree-ssa-reassoc.cc > > @@ -7132,15 +7132,15 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_reassoc (m_ctxt); } > > -  void set_pass_param (unsigned int n, bool param) > > +  opt_pass * clone () final override { return new pass_reassoc > > (m_ctxt); } > > +  void set_pass_param (unsigned int n, bool param) final override > >      { > >        gcc_assert (n == 0); > >        insert_powi_p = param; > >        bias_loop_carried_phi_ranks_p = !param; > >      } > > -  virtual bool gate (function *) { return flag_tree_reassoc != 0; > > } > > -  virtual unsigned int execute (function *) > > +  bool gate (function *) final override { return flag_tree_reassoc > > != > > 0; } > > +  unsigned int execute (function *) final override > >    { > >      return execute_reassoc (insert_powi_p, > > bias_loop_carried_phi_ranks_p); > >    } > > diff --git a/gcc/tree-ssa-sccvn.cc b/gcc/tree-ssa-sccvn.cc > > index ed68557f0b2..18392e031b8 100644 > > --- a/gcc/tree-ssa-sccvn.cc > > +++ b/gcc/tree-ssa-sccvn.cc > > @@ -8295,17 +8295,17 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_fre (m_ctxt); } > > -  void set_pass_param (unsigned int n, bool param) > > +  opt_pass * clone () final override { return new pass_fre > > (m_ctxt); } > > +  void set_pass_param (unsigned int n, bool param) final override > >      { > >        gcc_assert (n == 0); > >        may_iterate = param; > >      } > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return flag_tree_fre != 0 && (may_iterate || optimize > 1); > >      } > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  private: > >    bool may_iterate; > > diff --git a/gcc/tree-ssa-sink.cc b/gcc/tree-ssa-sink.cc > > index 8ce4403ddc8..7f653a988f4 100644 > > --- a/gcc/tree-ssa-sink.cc > > +++ b/gcc/tree-ssa-sink.cc > > @@ -829,10 +829,10 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_tree_sink != 0; } > > -  virtual unsigned int execute (function *); > > -  opt_pass *clone (void) { return new pass_sink_code (m_ctxt); } > > -  void set_pass_param (unsigned n, bool param) > > +  bool gate (function *) final override { return flag_tree_sink != > > 0; > > } > > +  unsigned int execute (function *) final override; > > +  opt_pass *clone (void) final override { return new > > pass_sink_code > > (m_ctxt); } > > +  void set_pass_param (unsigned n, bool param) final override > >      { > >        gcc_assert (n == 0); > >        unsplit_edges = param; > > diff --git a/gcc/tree-ssa-strlen.cc b/gcc/tree-ssa-strlen.cc > > index 1d4c0f78fbf..2cceba6f7af 100644 > > --- a/gcc/tree-ssa-strlen.cc > > +++ b/gcc/tree-ssa-strlen.cc > > @@ -5962,8 +5962,8 @@ public: > >      : gimple_opt_pass (pass_data_warn_printf, ctxt) > >    {} > >   > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *fun) > > +  bool gate (function *) final override; > > +  unsigned int execute (function *fun) final override > >    { > >      return printf_strlen_execute (fun, true); > >    } > > @@ -5999,10 +5999,10 @@ public: > >      : gimple_opt_pass (pass_data_strlen, ctxt) > >    {} > >   > > -  opt_pass * clone () { return new pass_strlen (m_ctxt); } > > +  opt_pass * clone () final override { return new pass_strlen > > (m_ctxt); } > >   > > -  virtual bool gate (function *); > > -  virtual unsigned int execute (function *fun) > > +  bool gate (function *) final override; > > +  unsigned int execute (function *fun) final override > >    { > >      return printf_strlen_execute (fun, false); > >    } > > diff --git a/gcc/tree-ssa-structalias.cc b/gcc/tree-ssa- > > structalias.cc > > index 581bdcf5652..dcf13d939bd 100644 > > --- a/gcc/tree-ssa-structalias.cc > > +++ b/gcc/tree-ssa-structalias.cc > > @@ -8085,7 +8085,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_tree_pta; } > > +  bool gate (function *) final override { return flag_tree_pta; } > >   > >  }; // class pass_build_alias > >   > > @@ -8123,7 +8123,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return flag_tree_pta; } > > +  bool gate (function *) final override { return flag_tree_pta; } > >   > >  }; // class pass_build_ealias > >   > > @@ -8737,7 +8737,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return (optimize > >               && flag_ipa_pta > > @@ -8745,9 +8745,12 @@ public: > >               && !seen_error ()); > >      } > >   > > -  opt_pass * clone () { return new pass_ipa_pta (m_ctxt); } > > +  opt_pass * clone () final override { return new pass_ipa_pta > > (m_ctxt); } > >   > > -  virtual unsigned int execute (function *) { return > > ipa_pta_execute > > (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return ipa_pta_execute (); > > +  } > >   > >  }; // class pass_ipa_pta > >   > > diff --git a/gcc/tree-ssa-uncprop.cc b/gcc/tree-ssa-uncprop.cc > > index aea7d69584f..510f8319d8c 100644 > > --- a/gcc/tree-ssa-uncprop.cc > > +++ b/gcc/tree-ssa-uncprop.cc > > @@ -453,9 +453,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_uncprop (m_ctxt); } > > -  virtual bool gate (function *) { return flag_tree_dom != 0; } > > -  virtual unsigned int execute (function *); > > +  opt_pass * clone () final override { return new pass_uncprop > > (m_ctxt); } > > +  bool gate (function *) final override { return flag_tree_dom != > > 0; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_uncprop > >   > > diff --git a/gcc/tree-ssa-uninit.cc b/gcc/tree-ssa-uninit.cc > > index b48fcf1a8ba..087f0dc965d 100644 > > --- a/gcc/tree-ssa-uninit.cc > > +++ b/gcc/tree-ssa-uninit.cc > > @@ -1317,9 +1317,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass *clone () { return new pass_late_warn_uninitialized > > (m_ctxt); } > > -  virtual bool gate (function *) { return gate_warn_uninitialized > > (); > > } > > -  virtual unsigned int execute (function *); > > +  opt_pass *clone () final override > > +  { > > +    return new pass_late_warn_uninitialized (m_ctxt); > > +  } > > +  bool gate (function *) final override { return > > gate_warn_uninitialized (); } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_late_warn_uninitialized > >   > > @@ -1459,8 +1462,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return gate_warn_uninitialized > > (); > > } > > -  virtual unsigned int execute (function *fun) > > +  bool gate (function *) final override { return > > gate_warn_uninitialized (); } > > +  unsigned int execute (function *fun) final override > >    { > >      return execute_early_warn_uninitialized (fun); > >    } > > diff --git a/gcc/tree-ssanames.cc b/gcc/tree-ssanames.cc > > index 05536cd2f74..bc22ece636a 100644 > > --- a/gcc/tree-ssanames.cc > > +++ b/gcc/tree-ssanames.cc > > @@ -920,7 +920,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_release_ssa_names > >   > > diff --git a/gcc/tree-stdarg.cc b/gcc/tree-stdarg.cc > > index 9038cd43aaa..ed4c8d8c775 100644 > > --- a/gcc/tree-stdarg.cc > > +++ b/gcc/tree-stdarg.cc > > @@ -1126,7 +1126,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        /* Always run this pass, in order to expand va_arg > > internal_fns.  We > >          also need to do that if fun->stdarg == 0, because a va_arg > > may > > also > > @@ -1135,7 +1135,7 @@ public: > >        return true; > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_stdarg > >   > > @@ -1185,12 +1185,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return (cfun->curr_properties & PROP_gimple_lva) == 0; > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_lower_vaarg > >   > > diff --git a/gcc/tree-switch-conversion.cc b/gcc/tree-switch- > > conversion.cc > > index 50a17927f39..17a31f7a63c 100644 > > --- a/gcc/tree-switch-conversion.cc > > +++ b/gcc/tree-switch-conversion.cc > > @@ -2428,8 +2428,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return > > flag_tree_switch_conversion > > != 0; } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override > > +  { > > +    return flag_tree_switch_conversion != 0; > > +  } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_convert_switch > >   > > @@ -2507,18 +2510,18 @@ public: > >   > >    static const pass_data data; > >    opt_pass * > > -  clone () > > +  clone () final override > >    { > >      return new pass_lower_switch (m_ctxt); > >    } > >   > > -  virtual bool > > -  gate (function *) > > +  bool > > +  gate (function *) final override > >    { > >      return !O0 || !optimize; > >    } > >   > > -  virtual unsigned int execute (function *fun); > > +  unsigned int execute (function *fun) final override; > >  }; // class pass_lower_switch > >   > >  template > > diff --git a/gcc/tree-tailcall.cc b/gcc/tree-tailcall.cc > > index 5a3466e5d53..6745d57580b 100644 > > --- a/gcc/tree-tailcall.cc > > +++ b/gcc/tree-tailcall.cc > > @@ -1261,9 +1261,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_tail_recursion (m_ctxt); } > > -  virtual bool gate (function *) { return gate_tail_calls (); } > > -  virtual unsigned int execute (function *) > > +  opt_pass * clone () final override > > +  { > > +    return new pass_tail_recursion (m_ctxt); > > +  } > > +  bool gate (function *) final override { return gate_tail_calls > > (); } > > +  unsigned int execute (function *) final override > >      { > >        return tree_optimize_tail_calls_1 (false); > >      } > > @@ -1301,8 +1304,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return gate_tail_calls (); } > > -  virtual unsigned int execute (function *) { return > > execute_tail_calls (); } > > +  bool gate (function *) final override { return gate_tail_calls > > (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return execute_tail_calls (); > > +  } > >   > >  }; // class pass_tail_calls > >   > > diff --git a/gcc/tree-vect-generic.cc b/gcc/tree-vect-generic.cc > > index d99e3207fbe..d974fd1b7fe 100644 > > --- a/gcc/tree-vect-generic.cc > > +++ b/gcc/tree-vect-generic.cc > > @@ -2415,12 +2415,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *fun) > > +  bool gate (function *fun) final override > >      { > >        return !(fun->curr_properties & PROP_gimple_lvec); > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return expand_vector_operations (); > >      } > > @@ -2459,8 +2459,11 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_lower_vector_ssa (m_ctxt); > > } > > -  virtual unsigned int execute (function *) > > +  opt_pass * clone () final override > > +  { > > +    return new pass_lower_vector_ssa (m_ctxt); > > +  } > > +  unsigned int execute (function *) final override > >      { > >        return expand_vector_operations (); > >      } > > diff --git a/gcc/tree-vectorizer.cc b/gcc/tree-vectorizer.cc > > index a63fa391273..53dc4520963 100644 > > --- a/gcc/tree-vectorizer.cc > > +++ b/gcc/tree-vectorizer.cc > > @@ -1193,12 +1193,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *fun) > > +  bool gate (function *fun) final override > >      { > >        return flag_tree_loop_vectorize || fun- > > > has_force_vectorize_loops; > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_vectorize > >   > > @@ -1405,9 +1405,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_simduid_cleanup (m_ctxt); > > } > > -  virtual bool gate (function *fun) { return fun- > > >has_simduid_loops; } > > -  virtual unsigned int execute (function *); > > +  opt_pass * clone () final override > > +  { > > +    return new pass_simduid_cleanup (m_ctxt); > > +  } > > +  bool gate (function *fun) final override { return fun- > > > has_simduid_loops; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_simduid_cleanup > >   > > @@ -1463,9 +1466,9 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_slp_vectorize (m_ctxt); } > > -  virtual bool gate (function *) { return flag_tree_slp_vectorize > > != > > 0; } > > -  virtual unsigned int execute (function *); > > +  opt_pass * clone () final override { return new > > pass_slp_vectorize > > (m_ctxt); } > > +  bool gate (function *) final override { return > > flag_tree_slp_vectorize != 0; } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_slp_vectorize > >   > > @@ -1696,12 +1699,15 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return flag_section_anchors && flag_tree_loop_vectorize; > >      } > >   > > -  virtual unsigned int execute (function *) { return > > increase_alignment (); } > > +  unsigned int execute (function *) final override > > +  { > > +    return increase_alignment (); > > +  } > >   > >  }; // class pass_ipa_increase_alignment > >   > > diff --git a/gcc/tree-vrp.cc b/gcc/tree-vrp.cc > > index 0784d658567..da0a6d5a8b6 100644 > > --- a/gcc/tree-vrp.cc > > +++ b/gcc/tree-vrp.cc > > @@ -4402,14 +4402,14 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_vrp (m_ctxt); } > > -  void set_pass_param (unsigned int n, bool param) > > +  opt_pass * clone () final override { return new pass_vrp > > (m_ctxt); } > > +  void set_pass_param (unsigned int n, bool param) final override > >      { > >        gcc_assert (n == 0); > >        warn_array_bounds_p = param; > >      } > > -  virtual bool gate (function *) { return flag_tree_vrp != 0; } > > -  virtual unsigned int execute (function *fun) > > +  bool gate (function *) final override { return flag_tree_vrp != > > 0; } > > +  unsigned int execute (function *fun) final override > >      { > >        if ((my_pass == 1 && param_vrp1_mode == VRP_MODE_RANGER) > >           || (my_pass == 2 && param_vrp2_mode == VRP_MODE_RANGER)) > > diff --git a/gcc/tsan.cc b/gcc/tsan.cc > > index 02e8ac7cf79..79d4582acd1 100644 > > --- a/gcc/tsan.cc > > +++ b/gcc/tsan.cc > > @@ -909,13 +909,13 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  opt_pass * clone () { return new pass_tsan (m_ctxt); } > > -  virtual bool gate (function *) > > +  opt_pass * clone () final override { return new pass_tsan > > (m_ctxt); > > } > > +  bool gate (function *) final override > >  { > >    return sanitize_flags_p (SANITIZE_THREAD); > >  } > >   > > -  virtual unsigned int execute (function *) { return tsan_pass (); > > } > > +  unsigned int execute (function *) final override { return > > tsan_pass > > (); } > >   > >  }; // class pass_tsan > >   > > @@ -950,12 +950,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return (sanitize_flags_p (SANITIZE_THREAD) && !optimize); > >      } > >   > > -  virtual unsigned int execute (function *) { return tsan_pass (); > > } > > +  unsigned int execute (function *) final override { return > > tsan_pass > > (); } > >   > >  }; // class pass_tsan_O0 > >   > > diff --git a/gcc/ubsan.cc b/gcc/ubsan.cc > > index 6c058142c37..18c75b471f4 100644 > > --- a/gcc/ubsan.cc > > +++ b/gcc/ubsan.cc > > @@ -2329,7 +2329,7 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return sanitize_flags_p ((SANITIZE_NULL | > > SANITIZE_SI_OVERFLOW > >                                 | SANITIZE_BOOL | SANITIZE_ENUM > > @@ -2341,7 +2341,7 @@ public: > >                                 | SANITIZE_BUILTIN)); > >      } > >   > > -  virtual unsigned int execute (function *); > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_ubsan > >   > > diff --git a/gcc/var-tracking.cc b/gcc/var-tracking.cc > > index 7c3ad0a55bd..235981d100f 100644 > > --- a/gcc/var-tracking.cc > > +++ b/gcc/var-tracking.cc > > @@ -10592,12 +10592,12 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) > > +  bool gate (function *) final override > >      { > >        return (flag_var_tracking && !targetm.delay_vartrack); > >      } > >   > > -  virtual unsigned int execute (function *) > > +  unsigned int execute (function *) final override > >      { > >        return variable_tracking_main (); > >      } > > diff --git a/gcc/vtable-verify.cc b/gcc/vtable-verify.cc > > index 48f9987082e..24894e7f108 100644 > > --- a/gcc/vtable-verify.cc > > +++ b/gcc/vtable-verify.cc > > @@ -818,8 +818,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return (flag_vtable_verify); } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override { return > > (flag_vtable_verify); > > } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_vtable_verify > >   > > diff --git a/gcc/web.cc b/gcc/web.cc > > index a5874a98825..bd0ec94f1f4 100644 > > --- a/gcc/web.cc > > +++ b/gcc/web.cc > > @@ -323,8 +323,8 @@ public: > >    {} > >   > >    /* opt_pass methods: */ > > -  virtual bool gate (function *) { return (optimize > 0 && > > flag_web); > > } > > -  virtual unsigned int execute (function *); > > +  bool gate (function *) final override { return (optimize > 0 && > > flag_web); } > > +  unsigned int execute (function *) final override; > >   > >  }; // class pass_web > >   >