[Async CC] Find wtable in async context in thunk. #34784
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Previously, when looking up a protocol method, the witness table was always exepcted to be the final argument passed to the function. That is true for sync protocol witnesses but not for async witnesses. In the async case, the witness table is embedded in the async context. Here, the witness table is dug out of the async context. rdar://problem/71491604
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@swift-ci please test |
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@swift-ci please clean test windows |
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Previously, when looking up a protocol method, the witness table was always exepcted to be the final argument passed to the function.
That is true for sync protocol witnesses but not for async witnesses. In the async case, the witness table is embedded in the async context.
Here, the witness table is dug out of the async context.
rdar://problem/71491604