I think we should change the language in the c++0x_warning.h:
Index: include/bits/c++0x_warning.h
===================================================================
--- include/bits/c++0x_warning.h (revision 231922)
+++ include/bits/c++0x_warning.h (working copy)
@@ -29,9 +29,9 @@
#define _CXX0X_WARNING_H 1
#if __cplusplus < 201103L
-#error This file requires compiler and library support for the \
-ISO C++ 2011 standard. This support is currently experimental, and must be \
-enabled with the -std=c++11 or -std=gnu++11 compiler options.
+#error This file requires compiler and library support \
+for the ISO C++ 2011 standard. This support must be enabled \
+with the -std=c++11 or -std=gnu++11 compiler options.
#endif
#endif
2015-12-26 Edward Smith-Rowland <3dw...@verizon.net>
* include/bits/c++0x_warning.h Ramove experimental language.
