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[SR-6189] Strange values being printed when using protocols #4383

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twostraws opened this issue Oct 19, 2017 · 1 comment
Open

[SR-6189] Strange values being printed when using protocols #4383

twostraws opened this issue Oct 19, 2017 · 1 comment
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bug Something isn't working LLDB for Swift

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@twostraws
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Previous ID SR-6189
Radar None
Original Reporter @twostraws
Type Bug
Environment

Apple Swift version 4.0.1 (swiftlang-900.0.66 clang-900.0.37)

Additional Detail from JIRA
Votes 0
Component/s LLDB for Swift
Labels Bug
Assignee None
Priority Medium

md5: 8871f937a74bcd0b7db112ed85778687

Issue Description:

If you launch Swift on the command line and give it the following code:

protocol Testable {

}

struct TestStruct: Testable {
    var num = 0
    var str = ""
}

let test1 = TestStruct()
let array: [Testable] = [test1]

Then the output you get is as follows:

test1: TestStruct = {
  num = 0
  str = ""
}
array: [Testable] = 1 value {
  [0] = {
    num = 4300275808
    str = ""
  }
}

The "4300275808" is clearly wrong. If you change the code to be [TestStruct] rather than [Testable] then the problem goes away.
@belkadan
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jingham@apple.com (JIRA User), sound familiar?

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@shahmishal shahmishal transferred this issue from apple/swift May 5, 2022
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@twostraws @belkadan