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[SR-14242] Type-checking incorrect when local function and variable share the same name #56602

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WowbaggersLiquidLunch opened this issue Feb 17, 2021 · 2 comments
Open

[SR-14242] Type-checking incorrect when local function and variable share the same name #56602

WowbaggersLiquidLunch opened this issue Feb 17, 2021 · 2 comments
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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@WowbaggersLiquidLunch
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Previous ID SR-14242
Radar rdar://problem/77673449
Original Reporter @WowbaggersLiquidLunch
Type Bug
Environment

Apple Swift version 5.3.2 (swiftlang-1200.0.45 clang-1200.0.32.28)
macOS 10.15.7 (19H512)

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, TypeChecker
Assignee None
Priority Medium

md5: 9dbbf6ed0b72d73f5e9da1e76669ab5c

relates to:

  • SR-13306 Incorrect shadowing behavior for local functions and outer function parameters

Issue Description:

func foo() -> Int {
    let bar = 10
    func bar(number: Int) -> Int { return number }
    return bar(number: bar)
    //     ^
    // error: cannot call value of non-function type 'Int'
}

Type-checking is fine until the argument is given to the local function:

func foo() -> Int {
    let bar = 10
    func bar(number: Int) -> Int { return number }
    return bar(number:)
    //     ^~~~~~~~~~~~
    // error: cannot convert return expression of type '(Int) -> Int' to return type 'Int'
}
@WowbaggersLiquidLunch
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Might be related to SR-13306

@typesanitizer
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@swift-ci create

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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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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@typesanitizer @WowbaggersLiquidLunch