From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id CB1C13858D39; Mon, 13 Dec 2021 19:26:47 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CB1C13858D39 From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/103690] New: [12 Regression] ICE: in build2, at tree.c:4985 with -O2 -fno-tree-dce -fno-tree-dse -fno-tree-fre --param=max-jump-thread-duplication-stmts=94 Date: Mon, 13 Dec 2021 19:26:47 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: zsojka at seznam dot cz X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status keywords bug_severity priority component assigned_to reporter target_milestone cf_gcchost attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Dec 2021 19:26:47 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103690 Bug ID: 103690 Summary: [12 Regression] ICE: in build2, at tree.c:4985 with -O2 -fno-tree-dce -fno-tree-dse -fno-tree-fre --param=3Dmax-jump-thread-duplication-stmts=3D94 Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 51989 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D51989&action=3Dedit auto-reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O2 -fno-tree-dce -fno-tree-dse -fno-tree-fre --param=3Dmax-jump-thread-duplication-stmts=3D94 -g testcase.C testcase.C: In member function '__alloc_traits vector< , >::back()': testcase.C:55:3: warning: no return statement in function returning non-void [-Wreturn-type] 55 | } | ^ during GIMPLE pass: pre testcase.C: In member function 'void EngineOverrideManager::ResetToDefaultMapping()': testcase.C:88:6: internal compiler error: in build2, at tree.c:4985 88 | void EngineOverrideManager::ResetToDefaultMapping() { | ^~~~~~~~~~~~~~~~~~~~~ 0x8cdf20 build2(tree_code, tree_node*, tree_node*, tree_node*) /repo/gcc-trunk/gcc/tree.c:4985 0x1125079 gimple_assign_rhs_to_tree(gimple*) /repo/gcc-trunk/gcc/cfgexpand.c:116 0x187316d insert_debug_temp_for_var_def(gimple_stmt_iterator*, tree_node*) /repo/gcc-trunk/gcc/tree-ssa.c:408 0x187339d insert_debug_temps_for_defs(gimple_stmt_iterator*) /repo/gcc-trunk/gcc/tree-ssa.c:514 0x12f2fe0 gsi_remove(gimple_stmt_iterator*, bool) /repo/gcc-trunk/gcc/gimple-iterator.c:567 0x176980f simple_dce_from_worklist(bitmap_head*) /repo/gcc-trunk/gcc/tree-ssa-dce.c:2029 0x17f3ffb execute /repo/gcc-trunk/gcc/tree-ssa-pre.c:4438 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions. $ x86_64-pc-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=3D/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-g= cc COLLECT_LTO_WRAPPER=3D/repo/gcc-trunk/binary-trunk-r12-5936-20211213173013-= g16c848090f2-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-l= inux-gnu/12.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /repo/gcc-trunk//configure --enable-languages=3Dc,c++ --enable-valgrind-annotations --disable-nls --enable-checking=3Dyes,rtl,df,= extra --with-cloog --with-ppl --with-isl --build=3Dx86_64-pc-linux-gnu --host=3Dx86_64-pc-linux-gnu --target=3Dx86_64-pc-linux-gnu --with-ld=3D/usr/bin/x86_64-pc-linux-gnu-ld --with-as=3D/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=3D/repo/gcc-trunk//binary-trunk-r12-5936-20211213173013-g16c848090= f2-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.0 20211213 (experimental) (GCC)=