[Bug tree-optimization/65447] AArch64: iv-opt causes bad addressing

[amker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65447

--- Comment #2 from amker at gcc dot gnu.org ---
Patch for review at https://gcc.gnu.org/ml/gcc-patches/2015-05/msg00641.html