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[SR-11938] @autoclosure allowed on non-function types in non-parameter positions #54357

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hamishknight opened this issue Dec 10, 2019 · 2 comments
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself type checker Area → compiler: Semantic analysis

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@hamishknight
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Previous ID SR-11938
Radar None
Original Reporter @hamishknight
Type Bug
Status Closed
Resolution Done
Environment

Swift version 5.2-dev (Swift 0585eb0)
Target: x86_64-apple-darwin19.0.0

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

md5: 56731c3b51e1a4985c501276a2250cb5

Issue Description:

The following all compile:

let x: Array<@autoclosure String> = []
func foo() -> @autoclosure String { "" }
func bar(_ x: [@autoclosure String]) {}

protocol P {}
struct S : @autoclosure P {}

But we should be rejecting the @autoclosure attributes for not being in a parameter position and not being applied to function types.

@theblixguy
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Fixed on master - please verify using the next available development snapshot!

@hamishknight
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Thanks Suyash!

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
This issue was closed.
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Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself type checker Area → compiler: Semantic analysis
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