[6.2][concurrency] Implement protocol witness thunking in SILGen for @execution(caller)/@execution(concurrent). #80748
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…ution(caller)/@execution(concurrent). This involved cleaning up and generalizing the work from f245389. I followed the same approach: hide the implicit parameter while we run things through translateArgument and friends and then put it back in manually. As an additional benefit, I think I found a good place to put FunctionIsolation onto lowered AnyFunctionTypes that will not cause cycles in the evaluator since it is done in TypeLowering. rdar://148785846 (cherry picked from commit 04b845c)
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gottesmm
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rjmccall
approved these changes
Apr 10, 2025
hborla
approved these changes
Apr 11, 2025
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Explanation: This involved cleaning up and generalizing the work from f245389. I followed the same approach: hide the implicit parameter while we run things through translateArgument and friends and then put it back in manually.
Scope: Affects pattern matching
Issue: rdar://148785846
Original PR: #80622
Risk: Low. Very targeted tweak to protocol witness thunking. We avoided changing the large machinery that is used for processing generalized parameters and instead did manual adjustment to insert/remove the value as appropriate.
Testing: Added tests to test suite
Reviewer: @xedin @rjmccall