From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id CB2A2385840E; Thu, 16 Sep 2021 08:54:04 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CB2A2385840E From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/102359] New: ICE gimplification failed since r12-3433-ga25e0b5e6ac8a77a Date: Thu, 16 Sep 2021 08:54:04 +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: marxin at gcc dot gnu.org 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 cc target_milestone 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: Thu, 16 Sep 2021 08:54:04 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102359 Bug ID: 102359 Summary: ICE gimplification failed since r12-3433-ga25e0b5e6ac8a77a 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: marxin at gcc dot gnu.org CC: qing.zhao at oracle dot com Target Milestone: --- The following fails: $ cat cxx.cpp struct A { double a =3D 111; auto foo() { return [*this] { return a; }; } }; int X =3D A{}.foo()(); $ g++ cxx.cpp -c -ftrivial-auto-var-init=3Dzero gimplification failed: &__closure->__this unit-size align:64 warn_if_not_align:0 symtab:0 alias-set -1 canonical-ty= pe 0x7ffff7718930 fields context full-name "const struct A" needs-constructor X() X(constX&) this=3D(X&) n_parents=3D0 use_template=3D0 interface-unknown pointer_to_this reference_to_this > readonly sizes-gimplified unsigned DI size unit-size align:64 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type 0x7ffff7731000> readonly arg:0 readonly arg:0 arg:0 arg:1 cxx.cpp:4:18 start: cxx.cpp:4:18 finish: cxx.cpp:4:18> arg:1 used nonlocal decl_7 DF cxx.cpp:4:14 size unit-size align:64 warn_if_not_align:0 offset_align 128 offset bit-offset context chain > cxx.cpp:4:18 start: cxx.cpp:4:18 finish: cxx.cpp:4:18>> cxx.cpp: In lambda function: cxx.cpp:4:18: internal compiler error: gimplification failed 4 | return [*this] { return a; }; | ^ 0xf2510a gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /home/marxin/Programming/gcc/gcc/gimplify.c:15569 0xf31e2b gimplify_modify_expr /home/marxin/Programming/gcc/gcc/gimplify.c:5960 0xf2161f gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /home/marxin/Programming/gcc/gcc/gimplify.c:14556 0xf2515c gimplify_stmt(tree_node**, gimple**) /home/marxin/Programming/gcc/gcc/gimplify.c:7006 0xf25196 gimplify_and_add(tree_node*, gimple**) /home/marxin/Programming/gcc/gcc/gimplify.c:494 0xf25706 gimplify_assign(tree_node*, tree_node*, gimple**) /home/marxin/Programming/gcc/gcc/gimplify.c:16148 0xf33fc8 gimple_add_init_for_auto_var /home/marxin/Programming/gcc/gcc/gimplify.c:1777 0xf33fc8 gimplify_decl_expr /home/marxin/Programming/gcc/gcc/gimplify.c:1937 0xf21a03 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /home/marxin/Programming/gcc/gcc/gimplify.c:14753 0xf2515c gimplify_stmt(tree_node**, gimple**) /home/marxin/Programming/gcc/gcc/gimplify.c:7006 0xf22f33 gimplify_statement_list /home/marxin/Programming/gcc/gcc/gimplify.c:1997 0xf22f33 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /home/marxin/Programming/gcc/gcc/gimplify.c:15001 0xf2515c gimplify_stmt(tree_node**, gimple**) /home/marxin/Programming/gcc/gcc/gimplify.c:7006 0xf25fd0 gimplify_bind_expr /home/marxin/Programming/gcc/gcc/gimplify.c:1426 0xf21f1a gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /home/marxin/Programming/gcc/gcc/gimplify.c:14757 0xf2515c gimplify_stmt(tree_node**, gimple**) /home/marxin/Programming/gcc/gcc/gimplify.c:7006 0xf275e3 gimplify_body(tree_node*, bool) /home/marxin/Programming/gcc/gcc/gimplify.c:15802 0xf27a7c gimplify_function_tree(tree_node*) /home/marxin/Programming/gcc/gcc/gimplify.c:15956 0xd5c037 cgraph_node::analyze() /home/marxin/Programming/gcc/gcc/cgraphunit.c:670 0xd5ec77 analyze_functions /home/marxin/Programming/gcc/gcc/cgraphunit.c:1234 Please submit a full bug report, with preprocessed source if appropriate. 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