[Sema] Disregard reference storage types when inferring associated types from witnesses. #12444
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… from witnesses. SR-6097.
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@swift-ci Please smoke test and merge |
slavapestov
reviewed
Oct 15, 2017
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| class C1 {} | ||
| class C2 : sr6097 { | ||
| unowned let aProperty: C1 // should deduce A == C1 despite 'unowned' |
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How do you actually know it's deducing this?
slavapestov
reviewed
Oct 15, 2017
| @@ -3991,7 +3991,7 @@ static Type getWitnessTypeForMatching(TypeChecker &tc, | |||
| Type model = conformance->getType(); | |||
| TypeSubstitutionMap substitutions = model->getMemberSubstitutions(witness); | |||
| if (substitutions.empty()) | |||
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What if the witness is in a generic context? Eg,
class G<T> : SomeProto where T : AnyObject {
weak var t: T?
}
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Resolves SR-6097.