[Protocol checker] Eliminate ordering dependency with "unsatisfied" check #34670
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…heck. When checking whether an @objc protocol requirement is considered satisfied by another requirement with the same selector, make sure to use "getWitness" (rather than "hasWitness") to avoid order dependencies in the computation. These are fantastically hard to reproduce in small test cases.
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@swift-ci please test source compatibility |
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@swift-ci please test source compatibility |
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@swift-ci please smoke test Linux |
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@swift-ci please test source compatibility |
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When checking whether an
@objcprotocol requirement is consideredsatisfied by another requirement with the same selector, make sure
to use "getWitness" (rather than "hasWitness") to avoid order
dependencies in the computation. These are fantastically hard
to reproduce in small test cases.