https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56183 Bug 56183 depends on bug 49491, which changed state.
Bug 49491 Summary: Superfluous move because of unnecessary spill for 2-operand insn https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49491 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |WORKSFORME