[Bug c++/79024] alignas / alignof report wrong alignment for 64bit integer types for 32bit target

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79024

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Although Bug 69763 (and https://llvm.org/bugs/show_bug.cgi?id=26547 for clang)
are still open because this is inconsistent with C.