https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55004 Bug 55004 depends on bug 116619, which changed state.
Bug 116619 Summary: Invalid null pointer constant accepted in the initializer of a pointer https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116619 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |DUPLICATE