http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49568
--- Comment #4 from Jan Hubicka <hubicka at ucw dot cz> 2011-07-01 08:40:13 UTC --- > Confirmed, we shouldn't be emitting ~B because it's not needed. Probably > introduced by r173517, > > 2011-05-06 Jan Hubicka <j...@suse.cz> > > * cgraph.c (cgraph_add_thunk): Create real function node instead > of alias node; finalize it and mark needed/reachale; arrange > visibility > to be right and add it into the corresponding same comdat group list. > ... I believed that thunks always belong to same comdat group as the function they are associated with. Perhaps same comdat groups behave differently on HP? I will check. Honza