[Bug tree-optimization/84225] New: [8 Regression] ICE in operation_no_trapping_overflow, at tree.c:7206

["marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84225

            Bug ID: 84225
           Summary: [8 Regression] ICE in operation_no_trapping_overflow,
                    at tree.c:7206
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: jakub at gcc dot gnu.org
  Target Milestone: ---

Starting from r257284 we ICE on:

$ gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr69714.c
-ftrapv -Ofast -c

during GIMPLE pass: vect
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr69714.c: In
function ‘main’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr69714.c:129:5:
internal compiler error: in operation_no_trapping_overflow, at tree.c:7206
 int main(void)
     ^~~~
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://gcc.gnu.org/bugs/> for instructions.