http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50030
--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-08-09 19:02:59 UTC --- Regression from? Because 4.1.x already performed the transformation ;) Not to say the issue can't be serious, but normally we use Regression in the Summary only in the form [XXX Regression], referring to currently maintained releases.