https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93996
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This has to be a latent bug.
Also it does not reproduce with a natively built compiler which is even more
interesting.
Reduced testcase:
_Atomic int i = 5, j = 2;
void fn5 (int a[++i][j = 10]) {}
