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[6.0][SE-0423] Promote DynamicActorIsolation to an upcoming feature and add a way to disable checks #73104

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xedin
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@xedin xedin commented Apr 18, 2024

Cherry-pick of #73007


  • Explanation:

    The functionality has been improved by the initial SE-0423 review.

    • Promotes DynamicActorIsolation from experimental to upcoming feature in Swift 6
    • Decouples @preconcurrency conformances syntax from the flag
    • Adds -disable-dynamic-actor-isolation frontend flag as a way to elide runtime checks as described in the updated proposal.
  • Scope: @preconcurrency conformances, witness and Objective-C thunks and function conversions with actor isolation erasure

  • Main Branch PRs: [SE-0423] Promote DynamicActorIsolation to an upcoming feature and add a way to disable checks #73007

  • Risk: Low

  • Resolves: rdar://121141774

  • Reviewed By: @hborla

  • Testing: Added test-cases to the test suite.

@xedin xedin added 🍒 release cherry pick Flag: Release branch cherry picks swift 6.0 labels Apr 18, 2024
@xedin xedin requested a review from hborla April 18, 2024 16:13
@xedin xedin requested a review from a team as a code owner April 18, 2024 16:13
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xedin commented Apr 18, 2024

@swift-ci please test

@xedin xedin merged commit dcf078a into swiftlang:release/6.0 Apr 18, 2024
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