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[SR-10694] Compiler crash on '.self' or 'type(of:)' base of initializer call missing a protocol conformance #53091

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hamishknight opened this issue May 15, 2019 · 1 comment
Closed

[SR-10694] Compiler crash on '.self' or 'type(of:)' base of initializer call missing a protocol conformance #53091

hamishknight opened this issue May 15, 2019 · 1 comment
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@hamishknight
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself crash Bug: A crash, i.e., an abnormal termination of software type checker Area → compiler: Semantic analysis

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@hamishknight
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Previous ID SR-10694
Radar None
Original Reporter @hamishknight
Type Bug
Status Closed
Resolution Done
Environment

Swift version 5.0-dev (LLVM 082dec2e22, Swift dc35c6a164)
Target: x86_64-apple-darwin18.5.0

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

md5: 1c8a0aab41f7edcbb4121e3aaa972990

Issue Description:

The following crashes the compiler:

protocol P {}

struct S {
  init<T : P>(_ x: T) {}
  func bar<T>(_ x: T) {
    S.self(x)
  }
}

and so does:

protocol P {}

struct S {
  init<T : P>(_ x: T) {}
  func bar<T>(_ x: T, _ s: S) {
    type(of: s)(x)
  }
}
@hamishknight
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#24826

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@AnthonyLatsis AnthonyLatsis added the crash Bug: A crash, i.e., an abnormal termination of software label Dec 12, 2022
This issue was closed.
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@hamishknight hamishknight

Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself crash Bug: A crash, i.e., an abnormal termination of software type checker Area → compiler: Semantic analysis
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@hamishknight @AnthonyLatsis