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[SR-13033] Seg fault with property wrapper and underscored variables #55478

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mbrandonw opened this issue Jun 17, 2020 · 1 comment
Closed

[SR-13033] Seg fault with property wrapper and underscored variables #55478

mbrandonw opened this issue Jun 17, 2020 · 1 comment
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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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@mbrandonw
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Previous ID SR-13033
Radar None
Original Reporter @mbrandonw
Type Bug
Status Closed
Resolution Duplicate
Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, CompilerCrash, TypeChecker
Assignee None
Priority Medium

md5: 9119ca03622a9241ce095ecc48332526

duplicates:

  • SR-12839 Underscore variable with same name as published var crashes compiler

Issue Description:

class Foo: ObservableObject {
  @Published var foo = 0
  var _foo = 0
}
@theblixguy
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This was fixed by #31915 on master and 5.3. You can verify using a development snapshot from swift.org:

/Users/spare/Desktop/test.swift:5:7: error: invalid redeclaration of synthesized property '_foo'
  var _foo = 0
      ^
/Users/spare/Desktop/test.swift:4:18: note: '_foo' synthesized for property wrapper backing storage
  @Published var foo = 0
                 ^

@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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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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@mbrandonw @theblixguy @AnthonyLatsis