[Bug tree-optimization/67328] range test rather than single bit test for code testing enum values

[amodra at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67328

Alan Modra <amodra at gmail dot com> changed:

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

--- Comment #9 from Alan Modra <amodra at gmail dot com> ---
Thanks for the fix!