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[SR-8659] let x = #keyPath(x) // Assertion failed: (hasInterfaceType() && "No interface type was set") #51174

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mayoff opened this issue Aug 29, 2018 · 4 comments
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[SR-8659] let x = #keyPath(x) // Assertion failed: (hasInterfaceType() && "No interface type was set") #51174

mayoff opened this issue Aug 29, 2018 · 4 comments
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@mayoff
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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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@mayoff
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mayoff commented Aug 29, 2018

Previous ID SR-8659
Radar rdar://problem/43822883
Original Reporter @mayoff
Type Bug
Status Closed
Resolution Done
Environment

macOS 10.13.6 (17G65)

swift-DEVELOPMENT-SNAPSHOT-2018-08-26-a.xctoolchain

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

md5: 8af6afd00433c76b546c694c24ecb920

Issue Description:

Type this into the Swift REPL:

let x = #keyPath(x)

Result:

Assertion failed: (hasInterfaceType() && "No interface type was set"), function getInterfaceType, file /Users/buildnode/jenkins/workspace/oss-swift-package-osx/swift/lib/AST/Decl.cpp, line 2193.
Abort trap: 6
@belkadan
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@swift-ci create

@xedin
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xedin commented May 7, 2020

I have tried the snippet from description and it looks like compiler correctly identifies this as a circular reference. @mayoff Could you please verify with latest master snapshot?

error: circular reference
let x = #keyPath(x)
^
note: through reference here
let x = #keyPath(x)
    ^
note: through reference here
let x = #keyPath(x)
    ^
error: argument of '#keyPath' refers to non-'@objc' property 'x'
let x = #keyPath(x)
                 ^

@mayoff
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mayoff commented May 7, 2020

Xcode 11.3.1's swift crashed with the input. Xcode 11.4.1's swift correctly issues an error.

@xedin
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xedin commented May 7, 2020

@mayoff Thank you!

@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
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@mayoff mayoff

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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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@xedin @mayoff @belkadan @AnthonyLatsis