https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83819 Bug 83819 depends on bug 81384, which changed state.
Bug 81384 Summary: built-in form of strnlen missing https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81384 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED