[Bug libstdc++/48507] Functor Declared In Templated Method Not Recognized By std::sort

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48507

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-04-08 
09:20:12 UTC ---
Yep. The MSVC compiler accepts this as an extension enabled by default, but G++
only accepts it in C++0x mode