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[SR-5559] compiler crash: Assertion failed: (!TD->getDeclContext()->isTypeContext()) #48131

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weissi opened this issue Jul 26, 2017 · 2 comments
Closed

[SR-5559] compiler crash: Assertion failed: (!TD->getDeclContext()->isTypeContext()) #48131

weissi opened this issue Jul 26, 2017 · 2 comments
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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 regression swift 4.0

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@weissi
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weissi commented Jul 26, 2017

Previous ID SR-5559
Radar rdar://problem/33539464
Original Reporter @weissi
Type Bug
Status Resolved
Resolution Done

Attachment: Download

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, 4.0Regression, CompilerCrash
Assignee None
Priority Medium

md5: dd5e019a79436b49d0be7d1499c45aa4

Issue Description:

this is a new regression, this code crashes the compiler now

public class Foo {
    public func foo<T>(_ test: T.Type = T.self) -> T { 
        fatalError()
    }   
}

this is the crash

$ /Users/johannes/Downloads/Applications//Xcode.app/Contents/Developer/Toolchains/swift-DEVELOPMENT-SNAPSHOT-2017-07-26-a.xctoolchain/usr/bin/swiftc  /tmp/test.swift 
Assertion failed: (!TD->getDeclContext()->isTypeContext()), function parseExprIdentifier, file /Users/buildnode/jenkins/workspace/oss-swift-package-osx/swift/lib/Parse/ParseExpr.cpp, line 2070.
0  swift                    0x000000010bd14ac8 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 40
1  swift                    0x000000010bd13a26 llvm::sys::RunSignalHandlers() + 86
2  swift                    0x000000010bd1508e SignalHandler(int) + 366
3  libsystem_platform.dylib 0x00007fff6238df5a _sigtramp + 26
4  libsystem_platform.dylib 0x00007ffee6fa7960 _sigtramp + 2227280416
5  libsystem_c.dylib        0x00007fff621b8c6a abort + 127
6  libsystem_c.dylib        0x00007fff62180cc0 basename_r + 0
7  swift                    0x0000000109b3afbb swift::Parser::parseExprIdentifier() + 2523
8  swift                    0x0000000109b34d3c swift::Parser::parseExprPostfix(swift::Diag<>, bool) + 6652
9  swift                    0x0000000109b32a09 swift::Parser::parseExprSequenceElement(swift::Diag<>, bool) + 393
10 swift                    0x0000000109b31e04 swift::Parser::parseExprSequence(swift::Diag<>, bool, bool) + 1300
11 swift                    0x0000000109b31839 swift::Parser::parseExprImpl(swift::Diag<>, bool) + 89
12 swift                    0x0000000109b4a82d std::__1::__function::__func<swift::Parser::parseParameterClause(swift::SourceLoc&, llvm::SmallVectorImpl<swift::Parser::ParsedParameter>&, swift::SourceLoc&, swift::Parser::DefaultArgumentInfo*, swift::Parser::ParameterContextKind)::$_0, std::__1::allocator<swift::Parser::parseParameterClause(swift::SourceLoc&, llvm::SmallVectorImpl<swift::Parser::ParsedParameter>&, swift::SourceLoc&, swift::Parser::DefaultArgumentInfo*, swift::Parser::ParameterContextKind)::$_0>, swift::ParserStatus ()>::operator()() + 2381
13 swift                    0x0000000109b4f895 swift::Parser::parseList(swift::tok, swift::SourceLoc, swift::SourceLoc&, bool, swift::Diag<>, std::__1::function<swift::ParserStatus ()>) + 357
14 swift                    0x0000000109b46d02 swift::Parser::parseParameterClause(swift::SourceLoc&, llvm::SmallVectorImpl<swift::Parser::ParsedParameter>&, swift::SourceLoc&, swift::Parser::DefaultArgumentInfo*, swift::Parser::ParameterContextKind) + 242
15 swift                    0x0000000109b46e00 swift::Parser::parseSingleParameterClause(swift::Parser::ParameterContextKind, llvm::SmallVectorImpl<swift::Identifier>*, swift::Parser::DefaultArgumentInfo*) + 128
16 swift                    0x0000000109b4754f swift::Parser::parseFunctionArguments(llvm::SmallVectorImpl<swift::Identifier>&, llvm::SmallVectorImpl<swift::ParameterList*>&, swift::Parser::ParameterContextKind, swift::Parser::DefaultArgumentInfo&) + 47
17 swift                    0x0000000109b4793f swift::Parser::parseFunctionSignature(swift::Identifier, swift::DeclName&, llvm::SmallVectorImpl<swift::ParameterList*>&, swift::Parser::DefaultArgumentInfo&, swift::SourceLoc&, bool&, swift::TypeRepr*&) + 175
18 swift                    0x0000000109b23ed1 swift::Parser::parseDeclFunc(swift::SourceLoc, swift::StaticSpellingKind, swift::OptionSet<swift::Parser::ParseDeclFlags, unsigned int>, swift::DeclAttributes&) + 1857
19 swift                    0x0000000109b1b64b swift::Parser::parseDecl(swift::OptionSet<swift::Parser::ParseDeclFlags, unsigned int>, llvm::function_ref<void (swift::Decl*)>) + 2747
20 swift                    0x0000000109b271fa swift::Parser::parseDeclItem(bool&, swift::OptionSet<swift::Parser::ParseDeclFlags, unsigned int>, llvm::function_ref<void (swift::Decl*)>) + 634
21 swift                    0x0000000109b27c0b swift::Parser::parseDeclList(swift::SourceLoc, swift::SourceLoc&, swift::Diag<>, swift::OptionSet<swift::Parser::ParseDeclFlags, unsigned int>, llvm::function_ref<void (swift::Decl*)>) + 91
22 swift                    0x0000000109b1c9e1 swift::Parser::parseDeclClass(swift::SourceLoc, swift::OptionSet<swift::Parser::ParseDeclFlags, unsigned int>, swift::DeclAttributes&) + 849
23 swift                    0x0000000109b1b3a3 swift::Parser::parseDecl(swift::OptionSet<swift::Parser::ParseDeclFlags, unsigned int>, llvm::function_ref<void (swift::Decl*)>) + 2067
24 swift                    0x0000000109b5652a swift::Parser::parseBraceItems(llvm::SmallVectorImpl<swift::ASTNode>&, swift::BraceItemListKind, swift::BraceItemListKind) + 1034
25 swift                    0x0000000109b101f7 swift::Parser::parseTopLevel() + 487
26 swift                    0x00000001097117cd swift::parseIntoSourceFile(swift::SourceFile&, unsigned int, bool*, swift::SILParserState*, swift::PersistentParserState*, swift::DelayedParsingCallbacks*) + 301
27 swift                    0x00000001096aa88b swift::CompilerInstance::performSema() + 3547
28 swift                    0x0000000108c9710f performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*, swift::UnifiedStatsReporter*) + 1455
29 swift                    0x0000000108c95c66 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3494
30 swift                    0x0000000108c57870 main + 3312
31 libdyld.dylib            0x00007fff6210d7cd start + 1
32 libdyld.dylib            0x000000000000000d start + 2649696321
Stack dump:
0.  Program arguments: /Users/johannes/Downloads/Applications/Xcode.app/Contents/Developer/Toolchains/swift-DEVELOPMENT-SNAPSHOT-2017-07-26-a.xctoolchain/usr/bin/swift -frontend -c -primary-file /tmp/test.swift -target x86_64-apple-macosx10.9 -enable-objc-interop -color-diagnostics -module-name test -o /var/folders/k8/7d0p_dxx2ll8vnw5mt5__ddc0000gn/T/test-3ac331.o 
1.  With parser at source location: /tmp/test.swift:2:42
<unknown>:0: error: unable to execute command: Abort trap: 6
<unknown>:0: error: compile command failed due to signal 6 (use -v to see invocation)

with

Apple Swift version 4.0-dev (LLVM 60522348b3, Clang 9a7d2d2f21, Swift 410c20912b)
Target: x86_64-apple-macosx10.9

compiles fine with swiftc releases from a few days ago
@weissi
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weissi commented Jul 26, 2017

@swift-ci create

@slavapestov
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#11256

@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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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 regression swift 4.0
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