[Bug c/61053] [4.9/5/6 Regression] _Alignas(long long) reduces alignment of long long

[gang.chen.5i5j at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61053

--- Comment #11 from Chen Gang <gang.chen.5i5j at gmail dot com> ---
(In reply to Martin Sebor from comment #10)
> On second thought, since the test isn't failing because _Alignas isn't
> working but rather because the DejaGnu directive in it is wrong, it this bug
> can be resolved as fixed and a new one for the test raised.  I've taken the
> liberty to do both.  Bug 69573 tracks the failing test.

Excuse me, I am not quite familiar with _Alignas.

If we need improve the testsuite pr61053.c, I guess we need to check
__APPLE_CC__ for the related long double cases in pr61053.c, since at present,
this issue is only related with Darwin.