https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19987 Bug 19987 depends on bug 23666, which changed state.
Bug 23666 Summary: Fold does not reduce C - ~a into a + (C+1) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=23666 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED
