https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19987 Bug 19987 depends on bug 96923, which changed state.
Bug 96923 Summary: Failure to optimize a select-related bool pattern to or+not https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96923 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |DUPLICATE