https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103300
--- Comment #7 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Zhendong Su from comment #6)
> Another test likely for the same issue:
>
> [652] % gcctk -O3 small.c; ./a.out
> Aborted
> [653] % gcctk -O2 -floop-unroll-and-jam small.c; ./a.out
> Aborted
> [654] % cat small.c
> int printf(const char *, ...);
> int a[2], b, c, d, e;
> int main() {
> if (b) {
> printf("0");
> goto L2;
> }
> L1:
> b = 0;
> L2:
> if (d)
> L3:
> goto L1;
> if (e)
> goto L3;
> if (c)
> goto L2;
> for (b = 0; b < 3; b++)
> for (d = 0; d < 2; d++)
> a[d] ^= 1;
> if (a[1] != 1)
> __builtin_abort();
> return 0;
> }
Yes, started with the same revision.
