[Bug tree-optimization/58417] Incorrect optimization in SCEV const-prop

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58417

Bug 58417 depends on bug 58484, which changed state.

Bug 58484 Summary: [4.9 Regression] ICE in chrec_fold_plus_1, at 
tree-chrec.c:272 building 416.gamess
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58484

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED