https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85290
Bug ID: 85290 Summary: Defining identifiers to themselves in system headers prevents diagnostics from being emitted. Product: gcc Version: 7.3.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: ad...@tho-otto.de Target Milestone: ---