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[SR-15815] [5.6] @objc attribute disappears on overridden member #58092

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johnfairh opened this issue Feb 3, 2022 · 0 comments
Open

[SR-15815] [5.6] @objc attribute disappears on overridden member #58092

johnfairh opened this issue Feb 3, 2022 · 0 comments
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior.

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@johnfairh
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Previous ID SR-15815
Radar None
Original Reporter @johnfairh
Type Bug

Attachment: Download

Environment

Xcode 13.3 beta (13E5086k)

macOS 12.1 intel

swift-driver version: 1.44.2 Apple Swift version 5.6 (swiftlang-5.6.0.320.8 clang-1316.0.18.8)

Target: x86_64-apple-macosx12.0

Additional Detail from JIRA
Votes 0
Component/s Source Tooling
Labels Bug
Assignee None
Priority Medium

md5: bc68b66b1f7856f50d6fce6423ad0bdf

Issue Description:

New in Swift 5.6.

Reduced to as little code as I can:

class B {
    @objc var g: Int { 1 }
}

class C: B {
    @objc override var g: Int { 2 }
}

Now, `B.g` appears correctly in symbolgraph / sourcekit / quick help, but `C.g` has lost its `@objc`.

From sourcekit pov, base B:

"key.annotated_decl" : "<Declaration>@objc var g: <Type usr=\"s:Si\">Int<\/Type> { get }<\/Declaration>",

And derived C:

"key.annotated_decl" : "<Declaration>override var g: <Type usr=\"s:Si\">Int<\/Type> { get }<\/Declaration>",
@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@johnfairh johnfairh mentioned this issue May 17, 2022
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior.
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@johnfairh