https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82679
--- Comment #5 from joseph at codesourcery dot com <joseph at codesourcery dot com> --- Probably in grokdeclarator the test for _Atomic-qualified array types should check declspecs->atomic_p rather than atomicp. (The check in the parser in the case of _Atomic (type-name) is fine as-is.)