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[SR-5317] Members of an @objcMembers class can be marked dynamic even if they aren't exposed to Obj-C #47892

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hamishknight opened this issue Jun 26, 2017 · 1 comment
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[SR-5317] Members of an @objcMembers class can be marked dynamic even if they aren't exposed to Obj-C #47892

hamishknight opened this issue Jun 26, 2017 · 1 comment
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@DougGregor
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself

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@hamishknight
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Previous ID SR-5317
Radar None
Original Reporter @hamishknight
Type Bug
Status Closed
Resolution Done
Environment

Apple Swift version 4.0 (swiftlang-900.0.45.6 clang-900.0.26)
Target: x86_64-apple-macosx10.9

Additional Detail from JIRA
Votes 2
Component/s Compiler
Labels Bug
Assignee @DougGregor
Priority Medium

md5: abf19342f9392dd7c01afa7a0aa2a179

Issue Description:

The following compiles:

import Foundation

struct S {}

@objcMembers
class C {
    dynamic var s = S()
}

despite the fact that the property s is not exposed to Obj-C, and therefore isn't actually dynamic.
@DougGregor
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Fixed by #17976

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
This issue was closed.
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@DougGregor DougGregor

Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself
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@DougGregor @hamishknight