[Bug c/67495] #pragma omp atomic ICEs

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67495

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 36306
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36306&action=edit
gcc6-pr67495.patch

Untested fix.