[Bug bootstrap/59235] [4.9 regression] SEGV in sparc_output_scratch_registers

[law at redhat dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59235

--- Comment #1 from Jeffrey A. Law <law at redhat dot com> ---
Probably the same dumb oversight that's causing 59221.  I will, of course,
verify that and take appropriate action. It's things like this that sometimes
makes me question bootstrapping and regression testing's value :(