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[SR-3053] UnresolvedDotExpr not resolved by type checking (leads to crash) #45643

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swift-ci opened this issue Oct 26, 2016 · 3 comments
Closed

[SR-3053] UnresolvedDotExpr not resolved by type checking (leads to crash) #45643

swift-ci opened this issue Oct 26, 2016 · 3 comments
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@ahoppen
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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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@swift-ci
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Previous ID SR-3053
Radar None
Original Reporter radex (JIRA User)
Type Bug
Status Resolved
Resolution Done

Attachment: Download

Environment

Apple Swift version 3.0 (swiftlang-800.0.46.2 clang-800.0.38)
Target: x86_64-apple-macosx10.9

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

md5: 0b3d646410c7a762ba889544aedf8a22

is duplicated by:

  • SR-3073 Reduced example of Swift 3 segmentation fault on Xcode 8.1 GM

relates to:

  • SR-1725 Assertion failed: ((HadError || !M.is<SourceFile*>() || M.get<SourceFile*>()->ASTStage < SourceFile::TypeChecked) && "UnresolvedDot" "in wrong phase")
  • SR-4272 Assertion failed: ((HadError || !M.is<SourceFile*>() || M.get<SourceFile*>()->ASTStage < SourceFile::TypeChecked) && "UnresolvedDot" "in wrong phase"
  • SR-4314 Assertion failed: ((HadError || !M.is<SourceFile*>() || M.get<SourceFile*>()->ASTStage < SourceFile::TypeChecked) && "UnresolvedDot" "in wrong phase")

Issue Description:

Hey, this crashes the compiler:
@belkadan
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   Assertion failed: ((HadError || !M.is<SourceFile*>() || M.get<SourceFile*>()->ASTStage < SourceFile::TypeChecked) && "UnresolvedDot" "in wrong phase"), function walkToExprPre, file /Volumes/Data/swift-public/swift/include/swift/AST/ExprNodes.def, line 79.
Stack dump:
0.  Program arguments: /Volumes/Data/swift-public/build/ninja/swift-macosx-x86_64/bin/swift -frontend -interpret - -target x86_64-apple-macosx10.12 -enable-objc-interop -sdk /Volumes/Data/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk -color-diagnostics -module-name main 
1.  While walking into decl 'crash' at <stdin>:11:1
2.  While walking into body of 'crash' at <stdin>:11:1

@swift-ci
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Comment by Janek Spaderna (JIRA)

I don't know if it crashes because of the same problem, but toying around with reduce I got this, which crashes as well:

func a() {
  { b in .c = .c }
}

@ahoppen
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ahoppen commented Oct 31, 2016

jaspa (JIRA User): Yes, that's the exact same issue

@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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@ahoppen ahoppen

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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@belkadan @ahoppen @swift-ci @AnthonyLatsis