[Bug middle-end/19987] [meta-bug] fold missing optimizations in general

[pinskia at gcc dot gnu dot org]

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Bug 19987 depends on bug 14490, which changed state.

Bug 14490 Summary: [tree-ssa] Simplify "a - 10 > 150" into "a > 160"
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14490

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

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19987