+2013-09-26 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ Backport from mainline
+
+ 2013-01-19 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ PR libstdc++/55861
+ * include/std/future (_State_base::_S_check(const shared_ptr<T>&)):
+ Fix return type.
+
2013-09-03 Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/58302