[Bug c/61447] _Alignof returns incorrect results for some types/archs

[joseph at codesourcery dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61447

--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
ISO C does not define _Alignof (object), only _Alignof (type).