https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103524 Bug 103524 depends on bug 115706, which changed state.
Bug 115706 Summary: Compiling headers as header units fails depending on order. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115706 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED