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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/108655] New: ICE in execute_todo, at passes.cc:2134 since
 r13-1204-gd68d366425369649
Date: Fri, 03 Feb 2023 09:13:14 +0000
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X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: c++
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: ice-on-valid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: marxin at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
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X-Bugzilla-Priority: P3
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108655

            Bug ID: 108655
           Summary: ICE in execute_todo, at passes.cc:2134 since
                    r13-1204-gd68d366425369649
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: jason at redhat dot com
  Target Milestone: ---

The following ICEs:

$ int
test_collapse() {
  int i;
  for (; i;)
    ;
  for (; i < 6;)
    for (int j =3D 0; j < 6; ++j)
      i +=3D j;
}

$ gcc simd.c -c -O1 -funreachable-traps
during GIMPLE pass: ivcanon
simd.c: In function =E2=80=98test_collapse=E2=80=99:
simd.c:2:1: internal compiler error: in execute_todo, at passes.cc:2140
    2 | test_collapse() {
      | ^~~~~~~~~~~~~
0x721e5f execute_todo
        /home/marxin/Programming/gcc/gcc/passes.cc:2140
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.=