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[SR-12426] Poor diagnostic for Any == String? #54865

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hamishknight opened this issue Mar 26, 2020 · 1 comment
Closed

[SR-12426] Poor diagnostic for Any == String? #54865

hamishknight opened this issue Mar 26, 2020 · 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 diagnostics QoI Bug: Diagnostics Quality of Implementation type checker Area → compiler: Semantic analysis

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@hamishknight
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Previous ID SR-12426
Radar None
Original Reporter @hamishknight
Type Bug
Status Closed
Resolution Done
Environment

Swift version 5.3-dev (LLVM 3590554, Swift b73b7c2)
Target: x86_64-apple-darwin18.5.0

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

md5: 92052507758567c68cd9ed533104fcfc

Issue Description:

The following yields a bad diagnostic:

func foo(a: Any, _ str: String?) {
  a == str // error: cannot convert value of type 'Any' to expected argument type '_OptionalNilComparisonType'
}
@hamishknight
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Fixed by #30686

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 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 diagnostics QoI Bug: Diagnostics Quality of Implementation type checker Area → compiler: Semantic analysis
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@hamishknight