* include/std/functional (_Mu<_Arg, false, false>::operator()): Restore
accidentally-removed volatile qualifier.
From-SVN: r231660
2015-12-15 Jonathan Wakely <jwakely@redhat.com>
+ * include/std/functional (_Mu<_Arg, false, false>::operator()): Restore
+ accidentally-removed volatile qualifier.
+
* include/std/functional (is_placeholder, is_bind_expression): Update
comments.
(_Safe_tuple_element): Replace with _Safe_tuple_element_t alias
public:
template<typename _CVArg, typename _Tuple>
_CVArg&&
- operator()(_CVArg&& __arg, _Tuple&) const
+ operator()(_CVArg&& __arg, _Tuple&) const volatile
{ return std::forward<_CVArg>(__arg); }
};