https://gcc.gnu.org/bugzilla/show_bug.cgi?id=18892 Bug 18892 depends on bug 15459, which changed state.
Bug 15459 Summary: [meta-bug] there should be a tree combiner like the rtl one https://gcc.gnu.org/bugzilla/show_bug.cgi?id=15459 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED
