2011-11-07 Jonathan Wakely <jwakely.gcc@gmail.com>
+ * acinclude.m4: Check for <stdalign.h>
+ * configure: Regenerate.
+ * config.h.in: Likewise.
+ * include/Makefile.am: Add <cstdalign>.
+ * include/Makefile.in: Regenerate.
+ * include/c_global/cstdalign: New.
+ * testsuite/18_support/headers/cstdalign/std_c++0x_neg.cc: New.
+ * doc/xml/manual/backwards_compatibility.xml: Update.
+ * doc/xml/manual/status_cxx2011.xml: Update.
+
+2011-11-07 Jonathan Wakely <jwakely.gcc@gmail.com>
+
PR libstdc++/50982
* include/std/mutex (__once_proxy): Use void parameter list to
work on implicit extern "C" systems.