[Bug rtl-optimization/47477] [4.8/4.9 regression] Sub-optimal mov at end of method

[law at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47477

--- Comment #23 from Jeffrey A. Law <law at redhat dot com> ---
Additional tests were extracted into BZ65084.  This BZ is just for tracking the
regression for testcase in c#0.