https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99227 Bug 99227 depends on bug 99427, which changed state.
Bug 99427 Summary: [modules] in system headers: non-constant condition for static assertion https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99427 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED