https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83819 Bug 83819 depends on bug 91914, which changed state.
Bug 91914 Summary: [9 Regression] Invalid strlen optimization https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91914 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED