http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51633
--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-12-20 10:30:39 UTC --- By the way, calling these issues "Regression" doesn't seem appropriate: granted, 4.5 may have parsed some constrexpr usages, but didn't have any semantics implemented, could very hardly fail.
