https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63426 Bug 63426 depends on bug 116936, which changed state.
Bug 116936 Summary: [UBSAN] gcc/diagnostic.cc: null pointer passed as argument https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116936 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED