[Bug libstdc++/51626] [4.6 Regression] [C++0x] can't use C++98 allocators with -std=c++0x

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51626

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-12-19 
19:04:53 UTC ---
Unfortunately either of those would cause a regression for PR 32618