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authorPaul Eggert <eggert@cs.ucla.edu>2015-10-21 20:10:40 -0700
committerPaul Eggert <eggert@cs.ucla.edu>2015-10-21 20:11:23 -0700
commit0bb27cd32e4a6a7fc4485381efc9ff0026e15689 (patch)
tree4367708145574829e615f3840bbdad923a2343a0 /lib/stdalign.in.h
parent2ab48bafa3e8c3c686dcadfb5d2410178e9dd269 (diff)
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Merge from gnulib
This incorporates: 2015-10-18 stdalign: work around pre-4.9 GCC x86 bug 2015-10-18 time_rz: avoid warning from bleeding-edge gcc's -Wnonnull * doc/misc/texinfo.tex, lib/stdalign.in.h, lib/time_rz.c: Copy from gnulib.
Diffstat (limited to 'lib/stdalign.in.h')
-rw-r--r--lib/stdalign.in.h5
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)