[Bug tree-optimization/14490] [tree-ssa] Simplify "a - 10 > 150" into "a > 160"

[pinskia at gcc dot gnu dot org]

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Bug 14490 depends on bug 22236, which changed state.

Bug 22236 Summary: [4.1 Regression] wrong code for casts and scev
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22236

           What    |Old Value                   |New Value
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14490