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

[dje at gcc dot gnu.org]

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

--- Comment #3 from David Edelsohn <dje at gcc dot gnu.org> ---
The patch seems to fix the testsuite failures for me.