http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48585
--- Comment #6 from Martin Jambor <jamborm at gcc dot gnu.org> 2011-04-15 17:48:01 UTC --- Unfortunately it seems that cgraph_create_virtual_clone already does that... so either this information is not actually used to create the node in the LTRANS stage or it gets lost along the way.