*printf-posix: Put more info into config.log.

[gnulib.git] / doc / posix-headers / stdalign.texi

diff --git a/doc/posix-headers/stdalign.texi b/doc/posix-headers/stdalign.texi
index 82c9e1c..8e34673 100644 (file)
--- a/doc/posix-headers/stdalign.texi
+++ b/doc/posix-headers/stdalign.texi
@@ -17,6 +17,9 @@ Portability problems fixed by Gnulib:
 This header file is missing on most circa-2011 platforms.
 @item
 Clang 3.0's @code{<stdalign.h>} does not define @code{alignof}/@code{_Alignof}.
+@item
+The @code{alignof} and @code{_Alignof} macros return too large values for
+the types @code{double} and @code{long long} in GCC 4.7.0.
 @end itemize
 
 Portability problems not fixed by Gnulib:
@@ -47,8 +50,8 @@ module @code{stdalign-tests} to fail.  The Sun Studio Developer Bug
 Report Review Team assigned the internal review ID 2125432 (dated
 2011-11-01) to this issue.
 @item
-@code{<stdalign.h>} must be #included before @samp{_Alignas} and
-@samp{_Alignof} can be used.
+@code{<stdalign.h>} must be #included before @code{_Alignas} and
+@code{_Alignof} can be used.
 @item
 You cannot assume that @code{_Alignas} and @code{_Alignof} are reserved words;
 they might be macros.