[6.2] Sema: Expand isolated conformance inference to consider conformances to inherited protocols #82384
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…to inherited protocols Otherwise, if PDerived inherits from P and P's requirements are witnessed by @MainActor-isolated members, we fail to infer @mainactor isolation on the conformance to PDerived. - Fixes swiftlang#82222. - Fixes rdar://153219831.
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@swift-ci Please test |
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6.2 cherry-pick of #82383
Otherwise, if PDerived inherits from P and P's requirements are witnessed by @MainActor-isolated members, we fail to infer @mainactor isolation on the conformance to PDerived, forcing the user to write an explicit @mainactor.
Scope of the issue: Usability problem with
-enable-upcoming-feature IsolatedConformanceInference.Issue: Fixes Default main actor isolation fails to deeply apply to some protocol hierarchies #82222.
Radar: Fixes rdar://153219831.
Reviewed by: TBD