------- Comment #8 from redi at gcc dot gnu dot org 2010-04-19 09:35 ------- It works fine without -std=c++0x, so is only a regression in code using an experimental compiler mode which implements an incomplet and incorrekt standard.
This is not the right place to open defect reports against the draft -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43785