[6.2][Concurrency] Downgrade non-Sendable type captures to warnings if clo… #80922
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…sure is in @preconcurrency context The original check examined only the immediate closure, but it's possible that the closure happens to be in a preconcurrency context which also requires a downgrade. Resolves: rdar://148996589 (cherry picked from commit cad2df3)
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@swift-ci please test |
hborla
approved these changes
Apr 18, 2025
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…sure is in @preconcurrency context
Cherry-pick of #80737
Explanation:
Downgrades an error to a warning when closure captures something non-Sendable in pre-concurrency context.
The original check examined only the immediate closure, but it's possible that the closure happens to be in a preconcurrency context which also requires a downgrade.
Main Branch PR: [Concurrency] Downgrade non-Sendable type captures to warnings if clo… #80737
Risk: Low (Downgrades an error to a warning in a narrow set of circumstances that should not have any other side-effects and allow more code to type-check successfully).
Reviewed By: @hborla
Testing: Added new tests to the test suite.
Resolves: rdar://148996589
(cherry picked from commit cad2df3)