https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19987 Bug 19987 depends on bug 13962, which changed state.
Bug 13962 Summary: [tree-ssa] make "fold" use alias information to optimize pointer comparisons https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13962 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED