https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98203
--- Comment #6 from G. Steinmetz <gs...@t-online.de> --- This variant started between 20210808 (error) and 20210822 (ICE) : $ cat z2.f90 program p integer :: i, j !$omp parallel masked taskloop simd collapse(2) do j = 1, 4 do i = 1, 4, 2 end do end do end