http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52528
--- Comment #4 from Mikael Pettersson <mikpe at it dot uu.se> 2012-04-15 14:55:13 UTC --- This patch has now been applied to trunk aka 4.8 and to the 4.6 branch, but not to the 4.7 branch. Is the exclusion of 4.7 intentional?