[Bug c++/50418] nested class typedef with same name and pointing to parent class typedef

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50418

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-09-15 
12:29:38 UTC ---
you can use -fpermissive to make G++ accept the code