http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51699
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-12-29 15:08:09 UTC --- I'm tempted to backport the library fixes, as I've been frustrated by http://bugzilla.redhat.com/show_bug.cgi?id=702256 and would like to see a working combination of clang and libstdc++ in F17
