https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84217
--- Comment #4 from Tom de Vries <vries at gcc dot gnu.org> --- C testcase: ... void foo (void) { #pragma acc parallel loop tile (2, 3) for (short i = 0; i < 10; ++i) for (short j = 0; j < 10; ++j) ; } ...