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]) {}