http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53657
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to fail| |4.7.0, 4.7.1, 4.8.0 --- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-06-14 09:15:02 UTC --- I'm not sure if G++ uses an invisible register for it on the 4,7 branch, but the move-ctor is definitely non-trivial on the 4.7 branch and trunk. It's trivial on the 4.6 branch.