From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 490AB385DC0B; Thu, 23 Apr 2020 13:58:24 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 490AB385DC0B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1587650304; bh=Z+nEb+b9g7A+1u/Bmn8VDqq8KKfKLITdPORwB/HZoZo=; h=From:To:Subject:Date:From; b=ArVVsRD0/sUSFsBD3pgDIOu1ItoAj0teHVtA+qPBnovZ6RCtI7fo+5xDe3IKev/G2 9Gd3DKQOqiGXXNW043G1C6e1EpuqyRA2wfFOZl+PL37TAtWZyNZUN0YWDAkUiEjqFo Ff+n0UGPsAGqcc784T3Cl1tFFrg4BZgYjt+4Eoc8= From: "anbu1024.me at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/94730] New: [10 Regression] internal compiler error: in fold_convert_loc, at fold-const.c:2435 Date: Thu, 23 Apr 2020 13:58:24 +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: 10.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: anbu1024.me at gmail dot com 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: Thu, 23 Apr 2020 13:58:24 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94730 Bug ID: 94730 Summary: [10 Regression] internal compiler error: in fold_convert_loc, at fold-const.c:2435 Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: anbu1024.me at gmail dot com Target Milestone: --- $ cat reduced.c=20 int x , y ;=20 int foo ( )=20 {=20 x =3D 0 ;=20 y =3D 0 ;=20 if (x !=3D 0)=20 y ++;=20 else=20 x ++ ;=20 }=20 int x [] =3D { 0 } ; ---------------------------------------------------------------------------= ----- $ gcc-10 --version gcc (GCC) 10.0.1 20200419 (experimental) Copyright (C) 2020 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ---------------------------------------------------------------------------= ----- $ gcc-10 reduced.c=20 reduced.c:16:5: error: conflicting types for =E2=80=98x=E2=80=99 16 | int x [] =3D { 0 } ; | ^ reduced.c:2:5: note: previous declaration of =E2=80=98x=E2=80=99 was here 2 | int x , y ; | ^ reduced.c: In function =E2=80=98foo=E2=80=99: reduced.c:12:5: internal compiler error: in fold_convert_loc, at fold-const.c:2435 12 | x ++ ; | ~~^~ 0x65b582 fold_convert_loc(unsigned int, tree_node*, tree_node*) ../../gcc-10-20200419/gcc/fold-const.c:2435 0xb12707 gimplify_self_mod_expr(tree_node**, gimple**, gimple**, bool, tree_node*) ../../gcc-10-20200419/gcc/gimplify.c:3186 0xafd218 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) ../../gcc-10-20200419/gcc/gimplify.c:13538 0xb00bd6 gimplify_stmt(tree_node**, gimple**) ../../gcc-10-20200419/gcc/gimplify.c:6825 0xb133cc gimplify_cond_expr ../../gcc-10-20200419/gcc/gimplify.c:4269 0xafdafe gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) ../../gcc-10-20200419/gcc/gimplify.c:13565 0xb00bd6 gimplify_stmt(tree_node**, gimple**) ../../gcc-10-20200419/gcc/gimplify.c:6825 0xafe48b gimplify_statement_list ../../gcc-10-20200419/gcc/gimplify.c:1869 0xafe48b gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) ../../gcc-10-20200419/gcc/gimplify.c:14052 0xb00bd6 gimplify_stmt(tree_node**, gimple**) ../../gcc-10-20200419/gcc/gimplify.c:6825 0xb0199b gimplify_bind_expr ../../gcc-10-20200419/gcc/gimplify.c:1424 0xafe0b3 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*= ), int) ../../gcc-10-20200419/gcc/gimplify.c:13809 0xb15927 gimplify_stmt(tree_node**, gimple**) ../../gcc-10-20200419/gcc/gimplify.c:6825 0xb15927 gimplify_body(tree_node*, bool) ../../gcc-10-20200419/gcc/gimplify.c:14857 0xb15e53 gimplify_function_tree(tree_node*) ../../gcc-10-20200419/gcc/gimplify.c:15030 0x9607d7 cgraph_node::analyze() ../../gcc-10-20200419/gcc/cgraphunit.c:670 0x9633f7 analyze_functions ../../gcc-10-20200419/gcc/cgraphunit.c:1227 0x963fc2 symbol_table::finalize_compilation_unit() ../../gcc-10-20200419/gcc/cgraphunit.c:2974 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions. ---------------------------------------------------------------------------= ----- $ gcc-9 --version gcc (GCC) 9.2.1 20191102 Copyright (C) 2019 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ---------------------------------------------------------------------------= ----- $ gcc-9 reduced.c=20 reduced.c:16:5: error: conflicting types for =E2=80=98x=E2=80=99 16 | int x [] =3D { 0 } ; | ^ reduced.c:2:5: note: previous declaration of =E2=80=98x=E2=80=99 was here 2 | int x , y ; | ^ reduced.c:12: confused by earlier errors, bailing out=