https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 116765, which changed state.
Bug 116765 Summary: [12/13/14/15 regression] gcc generate wrong code with -O3 -march=skylake https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116765 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |DUPLICATE