http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52591
--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-03-15 01:20:33 UTC --- Created attachment 26895 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26895 barely tested patch that allows testcase to compile here's a prototype, I'll come back to it later