[Bug tree-optimization/21520] missing PRE opportunity with operand after operand

[dberlin at gcc dot gnu dot org]

-- 
Bug 21520 depends on bug 21532, which changed state.

Bug 21532 Summary: ICE caused by PRE dead instruction removal
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21532

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

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21520