http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51139
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |INVALID --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-11-15 11:32:21 UTC --- it was only implemented on the 7th, your compiler is too old http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45114#c13