https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19987 Bug 19987 depends on bug 96928, which changed state.
Bug 96928 Summary: Failure to optimize one's complement abs pattern https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96928 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED