[Bug c++/90995] [8/9/10 Regression] ICE in grokdeclarator, at cp/decl.c:12024

[paolo.carlini at oracle dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90995

--- Comment #4 from Paolo Carlini <paolo.carlini at oracle dot com> ---
To wit:

bool f ()
{ enum : int a; }

we don't ICE on it but we accept it, we should reject it.