[Bug libstdc++/46743] gdb Pretty Printers don't work for std::set

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46743

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> 2010-12-01 
12:35:57 UTC ---
the bug is in g++ not the pretty printers, so you need a new gcc from svn, not
just the pretty printers