[Bug tree-optimization/20656] No strength reduction for a simple testcase

[pinskia at gcc dot gnu dot org]

-- 
Bug 20656 depends on bug 22325, which changed state.

Bug 22325 Summary: missed optimization in loop
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22325

           What    |Old Value                   |New Value
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20656