From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 773873858031; Sun, 16 May 2021 17:49:38 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 773873858031 From: "cnsun at uwaterloo dot ca" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/100624] New: ICE: Segmentation fault, gimplify_target_expr Date: Sun, 16 May 2021 17:49:38 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: tree-ssa X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: cnsun at uwaterloo dot ca 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 bug_severity priority component assigned_to reporter 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: Sun, 16 May 2021 17:49:38 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100624 Bug ID: 100624 Summary: ICE: Segmentation fault, gimplify_target_expr Product: gcc Version: tree-ssa Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: cnsun at uwaterloo dot ca Target Milestone: --- $ gcc-trunk -v Using built-in specs. COLLECT_GCC=3Dgcc-trunk COLLECT_LTO_WRAPPER=3D/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-lin= ux-gnu/12.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/configure --enable-languages=3Dc,c++,lto --enable-checking-yes --enable-multiarch --prefix=3D/scratch/software/gcc-trunk --disable-bootstrap Thread model: posix Supported LTO compression algorithms: zlib gcc version 12.0.0 20210514 (experimental) [master revision :e5c3c8afa:f3b1516d9dfd969d7cc1ca6f26dec13478a1c458] (GCC) $ cat mutant.c _Atomic c; void foo() { double j =3D c /=3D foo(); } $ gcc-trunk mutant.c mutant.c:1:9: warning: type defaults to =E2=80=98int=E2=80=99 in declaratio= n of =E2=80=98c=E2=80=99 [-Wimplicit-int] 1 | _Atomic c; | ^ mutant.c: In function =E2=80=98foo=E2=80=99: mutant.c:2:1: error: void value not ignored as it ought to be 2 | void foo() { double j =3D c /=3D foo(); } | ^~~~ mutant.c:2:27: internal compiler error: Segmentation fault 2 | void foo() { double j =3D c /=3D foo(); } | ^~ 0xef83e3 crash_signal /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/toplev.c:327 0xc34ee2 gimplify_target_expr /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:6772 0xc269e2 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:14480 0xc29eaa gimplify_stmt(tree_node**, gimple**) /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:6877 0xc274ab gimplify_statement_list /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:1879 0xc274ab gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:14528 0xc29eaa gimplify_stmt(tree_node**, gimple**) /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:6877 0xc2a2d9 gimplify_compound_expr /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:6077 0xc3049d gimplify_modify_expr_rhs /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:5398 0xc36c3a gimplify_modify_expr /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:5773 0xc26578 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:14083 0xc29eaa gimplify_stmt(tree_node**, gimple**) /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:6877 0xc34ba7 gimplify_and_add(tree_node*, gimple**) /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:489 0xc34ba7 gimplify_decl_expr /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:1826 0xc270f2 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:14280 0xc29eaa gimplify_stmt(tree_node**, gimple**) /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:6877 0xc2a6de gimplify_bind_expr /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:1421 0xc26913 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:14284 0xc29eaa gimplify_stmt(tree_node**, gimple**) /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:6877 0xc2b4a3 gimplify_body(tree_node*, bool) /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/gimplify.c:15328 Please submit a full bug report, with preprocessed source if appropriate. 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