Sema: Always allow method overrides to be as available as the context #78937
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When a method override is as available as the class it's a member of, then it can't be any more available. It doesn't make sense to diagnose such a method as less available than the method it overrides. This regressed recently for methods belonging to classes that are nested inside extensions. The availability of the derived class may be defined by its context, but the compiler was only checking the availability attributes directly on the class. Resolves rdar://143600638.
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@swift-ci please test |
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When a method override is as available as the class it's a member of, then it can't be any more available. It doesn't make sense to diagnose such a method as less available than the method it overrides. This regressed recently for methods belonging to classes that are nested inside extensions. The availability of the derived class may be defined by its context, but the compiler was only checking the availability attributes directly on the class.
Resolves rdar://143600638.