[SR-14564] "\(Self.self)" causes issue on Xcode 12.5 when Swift is optimized about swift-syntax HOT 5 CLOSED

Comment by Matteo Longeri (JIRA)

UPDATE: To be sure that this issue is directly related to Xcode 12.5 I have created a simple project, defining:

class MyClass {

    var classname: String {
        "\(Self.self)"
    }

}

and calling it from the ViewController:

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.

        let c = MyClass()
        print(c.classname)
    }

}

When I activate -O optimization in Debug, the Console prints: Self.

Just to confirm that this issue is not directly related to the app I am working on, but it is reproducible in any context.

Matteo

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@swift-ci create

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Thanks for reporting. This is already fixed in Swift 5.5: swiftlang/swift#36717

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Comment by Matteo Longeri (JIRA)

Thanks for your answer @eeckstein!

Best regards,

Matteo

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Comment by Andrey Yakushev (JIRA)

Issue appears only in classes. It's fine to write

"\(Self.self)"

inside structs.

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