It's looking very likely that we will have a new C++ standard this year,
so I'm going to go ahead and add the -std=c++14 flag for 4.9; I just
won't advertise it yet.
Tested x86_64-pc-linux-gnu, applying to trunk.
commit f966b130e3b011c6ac2169472fdf6508b5373eeb
Author: Jason Merrill <ja...@redhat.com>
Date: Wed Mar 5 13:22:47 2014 -0500
* c.opt: Add -std=c++14.
diff --git a/gcc/c-family/c.opt b/gcc/c-family/c.opt
index aad54e2..93fb7c2 100644
--- a/gcc/c-family/c.opt
+++ b/gcc/c-family/c.opt
@@ -1349,15 +1349,18 @@ Conform to the ISO 1998 C++ standard revised by the 2003 technical corrigendum
std=c++11
C++ ObjC++
-Conform to the ISO 2011 C++ standard (experimental and incomplete support)
+Conform to the ISO 2011 C++ standard
std=c++0x
-C++ ObjC++ Alias(std=c++11)
+C++ ObjC++ Alias(std=c++11) Undocumented
Deprecated in favor of -std=c++11
std=c++1y
C++ ObjC++
-Conform to the ISO 201y(7?) C++ draft standard (experimental and incomplete support)
+Conform to the ISO 2014(?) C++ draft standard (experimental and incomplete support)
+
+std=c++14
+C++ ObjC++ Alias(std=c++1y) Undocumented
std=c11
C ObjC
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 4a5caa3..2ee091a 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -1722,14 +1722,12 @@ C++ code.
@item c++11
@itemx c++0x
-The 2011 ISO C++ standard plus amendments. Support for C++11 is still
-experimental, and may change in incompatible ways in future releases.
+The 2011 ISO C++ standard plus amendments.
The name @samp{c++0x} is deprecated.
@item gnu++11
@itemx gnu++0x
-GNU dialect of @option{-std=c++11}. Support for C++11 is still
-experimental, and may change in incompatible ways in future releases.
+GNU dialect of @option{-std=c++11}.
The name @samp{gnu++0x} is deprecated.
@item c++1y
