[Bug c++/104177] [diagnostic] basic.align#9 should emit diagnostic for unsupported alignas

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104177

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
It should be supported. There might be a dup copying the alignment though for
the coroutines.