http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45841
--- Comment #34 from David Krauss <potswa at mac dot com> 2010-10-05 22:47:14 UTC --- Posted a patch to fix my end of this, and a regression to verify that fix on working systems. http://gcc.gnu.org/ml/libstdc++/2010-10/msg00015.html