Fix vtable thunk emission with a generic subclass of a non-generic base class #30054
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We don't actually have to store the superclass type or the interface type to be unique enough; just the derived class declaration alone is sufficient.
…f non-generic base class Fixes <rdar://problem/59669591>.
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@swift-ci Please smoke test |
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@swift-ci Please test source compatibility |
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Should fix https://bugs.swift.org/browse/SR-12253 too I think! |
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Fixes rdar://problem/59669591.