diff options
Diffstat (limited to 'lib/stdalign.in.h')
| -rw-r--r-- | lib/stdalign.in.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/stdalign.in.h b/lib/stdalign.in.h index c6115b6dbe0..ce1e793e273 100644 --- a/lib/stdalign.in.h +++ b/lib/stdalign.in.h @@ -52,7 +52,10 @@ #undef _Alignas #undef _Alignof -#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112 +/* GCC releases before GCC 4.9 had a bug in _Alignof. See GCC bug 52023 + <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>. */ +#if (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112 \ + || (defined __GNUC__ && __GNUC__ < 4 + (__GNUC_MINOR__ < 9))) # ifdef __cplusplus # if 201103 <= __cplusplus # define _Alignof(type) alignof (type) |