[Bug rtl-optimization/57304] [4.9 Regression] Revision 198896 segfaults building cpu2000 benchmark 176.gcc

[pthaugen at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57304

--- Comment #5 from Pat Haugen <pthaugen at gcc dot gnu.org> ---
The patch fixes the benchmark failure as well.