https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92977
--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-8 branch has been updated by Jakub Jelinek <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:b69684fdac2ac4bd128150631de6391c786e2184 commit r8-9998-gb69684fdac2ac4bd128150631de6391c786e2184 Author: Jakub Jelinek <ja...@redhat.com> Date: Fri Feb 14 15:26:52 2020 +0100 backport: re PR fortran/92977 (ICE in gfc_trans_omp_atomic, at fortran/trans-openmp.c:3526) Backported from mainline 2019-12-19 Jakub Jelinek <ja...@redhat.com> PR fortran/92977 * frontend-passes.c (call_external_blas): Use || instead of |. PR fortran/92977 * frontend-passes.c (in_omp_atomic): New variable. (cfe_expr_0, matmul_to_var_expr, matmul_temp_args, inline_matmul_assign, call_external_blas): Don't optimize in EXEC_OMP_ATOMIC. (optimize_namespace): Clear in_omp_atomic. (gfc_code_walker): Set in_omp_atomic for EXEC_OMP_ATOMIC, save/restore it around. * gfortran.dg/gomp/pr92977.f90: New test.