[Bug rtl-optimization/58079] internal compiler error: in do_SUBST, at combine.c:711

[rsandifo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58079

--- Comment #5 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 
---
Patch applied to trunk.