[Bug tree-optimization/85316] [meta-bug] VRP range propagation missed cases

[amacleod at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85316
Bug 85316 depends on bug 83073, which changed state.

Bug 83073 Summary: Range for VR_VARYING | [1, 1]
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83073

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED