[Bug tree-optimization/111869] New: ICE: verify_ssa failed since r14-4710-g60c231cb658

[Bug tree-optimization/111869] New: ICE: verify_ssa failed since r14-4710-g60c231cb658

[shaohua.li at inf dot ethz.ch]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111869

            Bug ID: 111869
           Summary: ICE: verify_ssa failed since r14-4710-g60c231cb658
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: shaohua.li at inf dot ethz.ch
                CC: tamar.christina at arm dot com
  Target Milestone: ---

gcc at -O3 crashed.

Bisected to r14-4710-g60c231cb658

$ cat a.c
int a;
unsigned b() {
  long c;
  unsigned d = 1;
  char *e = "";
  c = 0;
  for (; c < a; c++)
    e[0]++;
  c = 0;
  for (; c < a; c++)
    if (c)
      d = 0;
  return d;
}
int main() {}
$
$ gcc -O3 a.c
a.c: In function ‘b’:
a.c:2:10: error: PHI node with wrong VUSE on edge from BB 14
    2 | unsigned b() {
      |          ^
.MEM_39 = PHI <.MEM_1(14), .MEM_1(13)>
expected .MEM_29
a.c:2:10: error: PHI node with wrong VUSE on edge from BB 13
.MEM_39 = PHI <.MEM_1(14), .MEM_1(13)>
expected .MEM_29
during GIMPLE pass: vect
a.c:2:10: internal compiler error: verify_ssa failed
0x7f10859fa082 __libc_start_main
        ../csu/libc-start.c:308
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
$

[Bug tree-optimization/111869] ICE: verify_ssa failed since r14-4710-g60c231cb658

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111869

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |DUPLICATE

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Dup.

*** This bug has been marked as a duplicate of bug 111860 ***