Allow class parents to be refined types. #19256
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Refinements of a class parent are added as synthetic members to the inheriting class.
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This is now a part of #18958 |
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Refinements of a class parent are added as synthetic members to the inheriting class.
This is a key improvement that will unlock several other things. It also entails a spec change, because right now we restrict class parents to class types or aliases of class types.