[Issue 20655] [REG: 2.072] attribute inference accepts unsafe union access as @safe

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20655
Issue 20655 depends on issue 20661, which changed state.

Issue 20661 Summary: opEquals not recognized for AA key (take two)
https://issues.dlang.org/show_bug.cgi?id=20661

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

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