[Bug libstdc++/46359] [4.6 Regression] symbol missing from 4.6 libstdc++

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46359

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2010-11-08 
11:37:21 UTC ---
is this Bug 46221 ?