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[SR-2154] Don't allow wildcard platform in @available with version #44762

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devincoughlin opened this issue Jul 23, 2016 · 4 comments
Closed

[SR-2154] Don't allow wildcard platform in @available with version #44762

devincoughlin opened this issue Jul 23, 2016 · 4 comments
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@devincoughlin
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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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@devincoughlin
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Previous ID SR-2154
Radar None
Original Reporter @devincoughlin
Type Bug
Environment

Xcode 8

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug
Assignee @devincoughlin
Priority Medium

md5: e6fa577c28f75e0080ee0afd097a98f5

cloned from:

  • SR-2153 Deprecation warning despite #available check

Issue Description:

The Dispatch overlay currently has an availability attributes that like:

@available(*, deprecated: 8.0, message: "Use qos attributes instead")
public static let priorityBackground: DispatchQueue.GlobalAttributes

This says priorityBackground is deprecated on all OSes on version 8.0, which doesn't make any sense. (It would prevent a deprecation warning from being diagnosed on watchOS 2.0, for example.

It seems to me that Sema should treat the wildcard platform in an @available with a specific version as an error.
@belkadan
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Heck, Parse could probably treat it as an error.

@devincoughlin
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Yes, that's a good point.

@Dante-Broggi
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Is this resolved? If so, this should be closed.

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@tshortli
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Swift 5.6 emits:

warning: unexpected version number in 'available' attribute for non-specific platform '*'

Closing.

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@devincoughlin devincoughlin

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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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@belkadan @devincoughlin @tshortli @Dante-Broggi