https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71660
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jason at gcc dot gnu.org
--- Comment #18 from Jason Merrill <jason at gcc dot gnu.org> ---
(In reply to Peter Cordes from comment #13)
> Note that
> gcc's implementation of C++11/14 alignof doesn't match it's C11 _Alignof
> behaviour. g++ alignof gives you the "recommended" alignment, like
> __alignof__, rather than the minimum where you will ever find a value of
> this type. See https://gcc.gnu.org/ml/gcc-patches/2013-12/msg00435.html and
> bug 52023 for the reasons behind changing C11 _Alignof but not C++14
> alignof. (On reading the standard, I'm not sure I agree; I think C++14
> should be returning 4 for alignof(long long) with -m32 in the SysV ABI.)
This has now been fixed, BTW (bug 69560).
