<p>You can use Clang in C++11 mode either
with <a href="http://libcxx.llvm.org/">libc++</a> or with gcc's libstdc++.
-Patches are needed to make <a href="libstdc++4.4-clang0x.patch">libstdc++-4.4</a>
+Patches are needed to make <a href="libstdc++4.4-clang0x.patch">libstdc++-4.4</a>,
+<a href="libstdc++4.6-clang11.patch">libstdc++-4.6</a>,
and <a href="libstdc++4.7-clang11.patch">libstdc++-4.7</a> work with Clang in
C++11 mode.</p>
--- /dev/null
+--- type_traits.orig 2012-10-04 15:20:43.452992946 -0700
++++ type_traits 2012-10-04 15:21:32.423657167 -0700
+@@ -1110,7 +1110,7 @@
+
+ template<typename _Tp, typename _Up>
+ struct common_type<_Tp, _Up>
+- { typedef decltype(true ? declval<_Tp>() : declval<_Up>()) type; };
++ { typedef typename decay<decltype(true ? declval<_Tp>() : declval<_Up>())>::type type; };
+
+ template<typename _Tp, typename _Up, typename... _Vp>
+ struct common_type<_Tp, _Up, _Vp...>