From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id E91EE385E007; Fri, 16 Jul 2021 20:42:37 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E91EE385E007 From: "cnsun at uwaterloo dot ca" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/101478] New: ICE on invalid code: recompute_tree_invariant_for_addr_expr Date: Fri, 16 Jul 2021 20:42:37 +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: 12.0 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: Fri, 16 Jul 2021 20:42:38 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101478 Bug ID: 101478 Summary: ICE on invalid code: recompute_tree_invariant_for_addr_expr Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: cnsun at uwaterloo dot ca Target Milestone: --- This might be a duplicate of PR 84244. But that issue has a fortran test program. $ 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.K5cVOXlrxH-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 20210716 (experimental) [master revision :2c298de71:d97d71a1989e9ee8e1b8563b351c42b7732da108] (GCC) $ cat mutant.c struct obj { int n; list l; } main() { obj o =3D (struct obj *)((char *)({ 1; }) - (char *)&((struct obj *)0)->l= ); } $ gcc-trunk mutant.c mutant.c:3:3: error: unknown type name =E2=80=98list=E2=80=99 3 | list l; | ^~~~ mutant.c: In function =E2=80=98main=E2=80=99: mutant.c:5:3: error: unknown type name =E2=80=98obj=E2=80=99; use =E2=80=98= struct=E2=80=99 keyword to refer to the type 5 | obj o =3D (struct obj *)((char *)({ 1; }) - (char *)&((struct obj *)0)->l); | ^~~ | struct mutant.c:5:26: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 5 | obj o =3D (struct obj *)((char *)({ 1; }) - (char *)&((struct obj *)0)->l); | ^ mutant.c:5:11: warning: initialization of =E2=80=98int=E2=80=99 from =E2=80= =98struct obj *=E2=80=99 makes integer from pointer without a cast [-Wint-conversion] 5 | obj o =3D (struct obj *)((char *)({ 1; }) - (char *)&((struct obj *)0)->l); | ^ mutant.c:5:11: internal compiler error: in recompute_tree_invariant_for_addr_expr, at tree.c:4795 5 | obj o =3D (struct obj *)((char *)({ 1; }) - (char *)&((struct obj *)0)->l); |=20=20=20=20=20=20=20=20=20=20 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 0x7d4928 recompute_tree_invariant_for_addr_expr(tree_node*) /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/tree.c:4795 0xc58424 gimplify_addr_expr /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:6239 0xc4ae1f gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:14257 0xc4a55b gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:14515 0xc4a55b gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:14515 0xc56f4f gimplify_modify_expr /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:5807 0xc4a2e0 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:14210 0xc4dcca gimplify_stmt(tree_node**, gimple**) /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:6869 0xc51057 gimplify_and_add(tree_node*, gimple**) /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:494 0xc51057 gimplify_decl_expr /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:1831 0xc4ae06 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:14407 0xc4dcca gimplify_stmt(tree_node**, gimple**) /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:6869 0xc4e4fe gimplify_bind_expr /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:1426 0xc4b4dc gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:14411 0xc4dcca gimplify_stmt(tree_node**, gimple**) /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:6869 0xc4f2f3 gimplify_body(tree_node*, bool) /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:15443 0xc4f741 gimplify_function_tree(tree_node*) /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:15597 0xaa2467 cgraph_node::analyze() /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/cgraphunit.c:670 0xaa5341 analyze_functions /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/cgraphunit.c:1234 0xaa5e21 symbol_table::finalize_compilation_unit() /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/cgraphunit.c:2508 Please submit a full bug report, with preprocessed source if appropriate. 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