http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44194
--- Comment #24 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-06-16 05:26:56 UTC --- > It would be nice if the expander does not spill the return into memory in the > first place if possible. On other hand tagging compiler created memory > location with temp decls so that aliaser has the symbolic information seems a > useful mechanism. But a poor kludge if you can avoid spilling to memory in the first place.