On Tue, Jul 3, 2018 at 11:43 AM Jakub Jelinek <ja...@redhat.com> wrote: > > On Tue, Jul 03, 2018 at 11:34:51AM +0200, Richard Biener wrote: > > Can we make them DECL_ARTIFICIAL and/or make name-lookup never > > They are DECL_ARTIFICIAL already. > > > lookup DECL_ARTIFICIAL vars instead? > > Not sure about that, will try to gather some statistics on how often we > rely on name-lookup of DECL_ARTIFICIALs.
Hmm, we might indeed. At least we should make sure those cases never have valid identifiers? Or is the implementation allowed to "hide" user identifiers in the implementation namespace? Like the __for_begin one might hide a user defined variable. Richard. > Jakub