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[SR-12490] Assertion failed: ((bs->empty()) && "Might mess up insertion point" " Try compiling with '-disable-astscope-lookup'.") #54932

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nathawes opened this issue Apr 2, 2020 · 2 comments
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[SR-12490] Assertion failed: ((bs->empty()) && "Might mess up insertion point" " Try compiling with '-disable-astscope-lookup'.") #54932

nathawes opened this issue Apr 2, 2020 · 2 comments
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 found by stress tester Flag: An issue found by the SourceKit stress tester

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@nathawes
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nathawes commented Apr 2, 2020

Previous ID SR-12490
Radar rdar://problem/61461187
Original Reporter @nathawes
Type Bug
Status Resolved
Resolution Done
Additional Detail from JIRA
Votes 0
Component/s
Labels Bug, Crash, FoundByStressTester
Assignee None
Priority Medium

md5: 99e4e15cf2261b112bc4be7f91a4b9ce

Issue Description:

To reproduce, compile the below incomplete code with the March 31st dev snapshot compiler:

public struct Foo {
    func bar() {
        var copySelf = self
        repeat { copySelf

private extension String {}

Trace:

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   libsystem_kernel.dylib          0x00007fff6bffe7fa __pthread_kill + 10
1   libsystem_pthread.dylib         0x00007fff6c0bbbc1 pthread_kill + 432
2   libsystem_c.dylib               0x00007fff6bf85ab6 __abort + 139
3   libsystem_c.dylib               0x00007fff6bf85a2b abort + 135
4   libsystem_c.dylib               0x00007fff6bf84cd6 __assert_rtn + 314
5   swift                           0x00000001118e3f73 swift::ast_scope::ScopeCreator::shouldThisNodeBeScopedWhenFoundInSourceFileBraceStmtOrType(swift::ASTNode) (.cold.2) + 35
6   swift                           0x000000010e2565cf swift::ast_scope::ScopeCreator::shouldThisNodeBeScopedWhenFoundInSourceFileBraceStmtOrType(swift::ASTNode) + 95
7   swift                           0x000000010e2524d2 swift::ast_scope::ScopeCreator::addSiblingsToScopeTree(swift::ast_scope::ASTScopeImpl*, swift::ast_scope::ASTScopeImpl*, llvm::ArrayRef<swift::ASTNode>) + 130
8   swift                           0x000000010e251494 swift::ast_scope::BraceStmtScope::expandSpecifically(swift::ast_scope::ScopeCreator&) + 36
9   swift                           0x000000010e250de6 swift::ast_scope::ASTScopeImpl::expandAndBeCurrent(swift::ast_scope::ScopeCreator&) + 150
10  swift                           0x000000010e250d3f swift::ExpandASTScopeRequest::evaluate(swift::Evaluator&, swift::ast_scope::ASTScopeImpl*, swift::ast_scope::ScopeCreator*) const + 15
11  swift                           0x000000010e2602a5 llvm::Expected<swift::ExpandASTScopeRequest::OutputType> swift::Evaluator::getResultUncached<swift::ExpandASTScopeRequest>(swift::ExpandASTScopeRequest const&) + 469
12  swift                           0x000000010e250c2e swift::ExpandASTScopeRequest::OutputType swift::evaluateOrDefault<swift::ExpandASTScopeRequest>(swift::Evaluator&, swift::ExpandASTScopeRequest, swift::ExpandASTScopeRequest::OutputType) + 94
13  swift                           0x000000010e25cfdd swift::ast_scope::ASTScopeImpl* swift::ast_scope::ScopeCreator::constructExpandAndInsert<swift::ast_scope::BraceStmtScope, swift::BraceStmt*>(swift::ast_scope::ASTScopeImpl*, swift::BraceStmt*) + 173
14  swift                           0x000000010e25cee1 swift::NullablePtr<swift::ast_scope::ASTScopeImpl> swift::ast_scope::ScopeCreator::ifUniqueConstructExpandAndInsert<swift::ast_scope::BraceStmtScope, swift::BraceStmt*>(swift::ast_scope::ASTScopeImpl*, swift::BraceStmt*) + 193
15  swift                           0x000000010e250209 swift::ASTVisitor<swift::ast_scope::NodeAdder, swift::NullablePtr<swift::ast_scope::ASTScopeImpl>, swift::NullablePtr<swift::ast_scope::ASTScopeImpl>, swift::NullablePtr<swift::ast_scope::ASTScopeImpl>, void, void, void, swift::ast_scope::ASTScopeImpl*, swift::ast_scope::ScopeCreator&>::visit(swift::Stmt*, swift::ast_scope::ASTScopeImpl*, swift::ast_scope::ScopeCreator&) + 73
16  swift                           0x000000010e24e42a swift::ast_scope::ScopeCreator::addToScopeTreeAndReturnInsertionPoint(swift::ASTNode, swift::ast_scope::ASTScopeImpl*) + 122
17  swift                           0x000000010e251535 swift::ast_scope::AbstractFunctionBodyScope::expandSpecifically(swift::ast_scope::ScopeCreator&) + 53
18  swift                           0x000000010e250de6 swift::ast_scope::ASTScopeImpl::expandAndBeCurrent(swift::ast_scope::ScopeCreator&) + 150
19  swift                           0x000000010e250d3f swift::ExpandASTScopeRequest::evaluate(swift::Evaluator&, swift::ast_scope::ASTScopeImpl*, swift::ast_scope::ScopeCreator*) const + 15
20  swift                           0x000000010e2602a5 llvm::Expected<swift::ExpandASTScopeRequest::OutputType> swift::Evaluator::getResultUncached<swift::ExpandASTScopeRequest>(swift::ExpandASTScopeRequest const&) + 469
21  swift                           0x000000010e250c2e swift::ExpandASTScopeRequest::OutputType swift::evaluateOrDefault<swift::ExpandASTScopeRequest>(swift::Evaluator&, swift::ExpandASTScopeRequest, swift::ExpandASTScopeRequest::OutputType) + 94
22  swift                           0x000000010e26328e swift::ast_scope::ASTScopeImpl::findInnermostEnclosingScope(swift::SourceLoc, swift::NullablePtr<llvm::raw_ostream>) + 62
23  swift                           0x000000010e24e33f swift::ASTScope::expandFunctionBody(swift::AbstractFunctionDecl*) + 79
24  swift                           0x000000010e042fbc swift::TypeCheckFunctionBodyUntilRequest::evaluate(swift::Evaluator&, swift::AbstractFunctionDecl*, swift::SourceLoc) const + 812
25  swift                           0x000000010e049fdb llvm::Expected<swift::TypeCheckFunctionBodyUntilRequest::OutputType> swift::Evaluator::getResultUncached<swift::TypeCheckFunctionBodyUntilRequest>(swift::TypeCheckFunctionBodyUntilRequest const&) + 491
26  swift                           0x000000010e049b71 llvm::Expected<swift::TypeCheckFunctionBodyUntilRequest::OutputType> swift::Evaluator::getResultCached<swift::TypeCheckFunctionBodyUntilRequest, (void*)0>(swift::TypeCheckFunctionBodyUntilRequest const&) + 129
27  swift                           0x000000010e0438d9 swift::TypeCheckFunctionBodyUntilRequest::OutputType swift::evaluateOrDefault<swift::TypeCheckFunctionBodyUntilRequest>(swift::Evaluator&, swift::TypeCheckFunctionBodyUntilRequest, swift::TypeCheckFunctionBodyUntilRequest::OutputType) + 41
28  swift                           0x000000010e042c22 swift::TypeChecker::typeCheckAbstractFunctionBody(swift::AbstractFunctionDecl*) + 66
29  swift                           0x000000010e072d2e swift::TypeCheckSourceFileRequest::evaluate(swift::Evaluator&, swift::SourceFile*) const + 494
30  swift                           0x000000010e074c21 llvm::Expected<swift::TypeCheckSourceFileRequest::OutputType> swift::Evaluator::getResultUncached<swift::TypeCheckSourceFileRequest>(swift::TypeCheckSourceFileRequest const&) + 449
31  swift                           0x000000010e0749a4 llvm::Expected<swift::TypeCheckSourceFileRequest::OutputType> swift::Evaluator::getResultCached<swift::TypeCheckSourceFileRequest, (void*)0>(swift::TypeCheckSourceFileRequest const&) + 52
32  swift                           0x000000010e072a50 swift::TypeCheckSourceFileRequest::OutputType swift::evaluateOrDefault<swift::TypeCheckSourceFileRequest>(swift::Evaluator&, swift::TypeCheckSourceFileRequest, swift::TypeCheckSourceFileRequest::OutputType) + 32
33  swift                           0x000000010d43b6de swift::CompilerInstance::parseAndTypeCheckMainFileUpTo(swift::SourceFile::ASTStage_t) + 286
34  swift                           0x000000010d43a7b7 swift::CompilerInstance::parseAndCheckTypesUpTo(swift::CompilerInstance::ImplicitImports const&, swift::SourceFile::ASTStage_t) + 359
35  swift                           0x000000010d43a1d8 swift::CompilerInstance::performSemaUpTo(swift::SourceFile::ASTStage_t) + 520
36  swift                           0x000000010d348cdd performCompile(swift::CompilerInstance&, swift::CompilerInvocation const&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*) + 1933
37  swift                           0x000000010d34759e swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3582
38  swift                           0x000000010d2db68d main + 861
39  libdyld.dylib                   0x00007fff6beb77fd start + 1
@nathawes
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nathawes commented Apr 2, 2020

@swift-ci create

@CodaFi
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CodaFi commented May 11, 2020

Resolved by 4c4bf08

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@AnthonyLatsis AnthonyLatsis added the compiler The Swift compiler in itself label Dec 13, 2022
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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 found by stress tester Flag: An issue found by the SourceKit stress tester
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