https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83602
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 43007 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43007&action=edit gcc8-pr83602.patch Untested fix. For builtin macros, it doesn't make sense to look at definition location, that is builtin, and they don't use value.macro union member but rather value.builtin.