[Bug tree-optimization/17607] [4.0 Regression] Segfault on a gimmicky case label with -Os

[reichelt at gcc dot gnu dot org]

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Bug 17607 depends on bug 17552, which changed state.

Bug 17552 Summary: [4.0 Regression] Infinite recursion in analyze_scalar_evolution
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17552

           What    |Old Value                   |New Value
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |DUPLICATE

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17607