[Bug c++/96137] [11 Regression] GCC hang on in invalid function definition

[haoxintu at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96137

--- Comment #4 from Haoxin Tu <haoxintu at gmail dot com> ---
Add two cases. I guess the reason is the same.

//case1
static_assert (->operator a, "")

//case2
alignas (->operator a)