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[SR-9671] compiler crash: expression has no type / (declref_expr type='<null>' decl=Logging.(file). extension.init(stringLiteral:) #52115

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weissi opened this issue Jan 15, 2019 · 0 comments
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[SR-9671] compiler crash: expression has no type / (declref_expr type='<null>' decl=Logging.(file). extension.init(stringLiteral:) #52115

weissi opened this issue Jan 15, 2019 · 0 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

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weissi commented Jan 15, 2019

Previous ID SR-9671
Radar rdar://problem/47317637
Original Reporter @weissi
Type Bug
Status Resolved
Resolution Duplicate

Attachment: Download

Additional Detail from JIRA
Votes 1
Component/s Compiler
Labels Bug, CompilerCrash
Assignee None
Priority Medium

md5: a6aea1968cebc2ee1c664ed78ad8db1c

duplicates:

  • SR-9686 Swift 5 regression: extension applied to type alias not "seen"

is duplicated by:

  • SR-9687 Compiler crash with "expression has no type" with extensions on type aliases

Issue Description:

running swift build in the attached tar ball gives

expression has no type
(declref_expr type='<null>' decl=Logging.(file). extension.init(stringLiteral:).self@/Users/johannes/devel/swift-server-logger-api/Sources/Logging/Logging.swift:277:12 function_ref=unapplied)Stack dump:
0.  Program arguments: /Library/Developer/Toolchains/swift-5.0-DEVELOPMENT-SNAPSHOT-2019-01-13-a.xctoolchain/usr/bin/swift -frontend -c /Users/johannes/devel/swift-server-logger-api/Sources/Logging/Locks.swift -primary-file /Users/johannes/devel/swift-server-logger-api/Sources/Logging/Logging.swift -emit-module-path /Users/johannes/devel/swift-server-logger-api/.build/x86_64-apple-macosx/debug/Logging.build/Logging~partial.swiftmodule -emit-module-doc-path /Users/johannes/devel/swift-server-logger-api/.build/x86_64-apple-macosx/debug/Logging.build/Logging~partial.swiftdoc -emit-dependencies-path /Users/johannes/devel/swift-server-logger-api/.build/x86_64-apple-macosx/debug/Logging.build/Logging.d -emit-reference-dependencies-path /Users/johannes/devel/swift-server-logger-api/.build/x86_64-apple-macosx/debug/Logging.build/Logging.swiftdeps -target x86_64-apple-macosx10.10 -enable-objc-interop -sdk /Volumes/Xcode10E85_m18E173z_i16E180z_t16L181_w16T180z_b16P4075_32bitSupport_FastSim_Boost_32GB/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk -I /Users/johannes/devel/swift-server-logger-api/.build/x86_64-apple-macosx/debug -F /Volumes/Xcode10E85_m18E173z_i16E180z_t16L181_w16T180z_b16P4075_32bitSupport_FastSim_Boost_32GB/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -enable-testing -g -module-cache-path /Users/johannes/devel/swift-server-logger-api/.build/x86_64-apple-macosx/debug/ModuleCache -swift-version 4.2 -Onone -D SWIFT_PACKAGE -D DEBUG -color-diagnostics -parse-as-library -module-name Logging -o /Users/johannes/devel/swift-server-logger-api/.build/x86_64-apple-macosx/debug/Logging.build/Logging.swift.o -index-store-path /Users/johannes/devel/swift-server-logger-api/.build/x86_64-apple-macosx/debug/index/store -index-system-modules 
1.  While walking into decl extension of Logging.Metadata.Value (at /Users/johannes/devel/swift-server-logger-api/Sources/Logging/Logging.swift:274:1)
2.  While walking into body of 'init(stringLiteral:)' (at /Users/johannes/devel/swift-server-logger-api/Sources/Logging/Logging.swift:277:12)
0  swift                    0x00000001091c5858 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 40
1  swift                    0x00000001091c4ad5 llvm::sys::RunSignalHandlers() + 85
2  swift                    0x00000001091c5e62 SignalHandler(int) + 258
3  libsystem_platform.dylib 0x00007fff78d02b3d _sigtramp + 29
4  libsystem_platform.dylib 0x00007fece907de98 _sigtramp + 1882698616
5  libsystem_c.dylib        0x00007fff78bc01c9 abort + 127
6  swift                    0x000000010687e6ec (anonymous namespace)::Verifier::walkToExprPost(swift::Expr*) + 27340
7  swift                    0x000000010688c4e6 swift::ASTVisitor<(anonymous namespace)::Traversal, swift::Expr*, swift::Stmt*, bool, swift::Pattern*, bool, void>::visit(swift::Expr*) + 6742
8  swift                    0x000000010688d7e7 swift::ASTVisitor<(anonymous namespace)::Traversal, swift::Expr*, swift::Stmt*, bool, swift::Pattern*, bool, void>::visit(swift::Stmt*) + 359
9  swift                    0x000000010689079b (anonymous namespace)::Traversal::visitAbstractFunctionDecl(swift::AbstractFunctionDecl*) + 683
10 swift                    0x000000010688aa18 (anonymous namespace)::Traversal::doIt(swift::Decl*) + 216
11 swift                    0x000000010688fab6 swift::ASTVisitor<(anonymous namespace)::Traversal, swift::Expr*, swift::Stmt*, bool, swift::Pattern*, bool, void>::visit(swift::Decl*) + 1558
12 swift                    0x000000010688aa18 (anonymous namespace)::Traversal::doIt(swift::Decl*) + 216
13 swift                    0x000000010688a92b swift::Decl::walk(swift::ASTWalker&) + 27
14 swift                    0x0000000106941aea swift::SourceFile::walk(swift::ASTWalker&) + 170
ourceFile&) + 59
16 swift                    0x000000010663851a swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int) + 1386
17 swift                    0x0000000105e03065 swift::CompilerInstance::parseAndCheckTypesUpTo(swift::CompilerInstance::ImplicitImports const&, swift::SourceFile::ASTStage_t) + 629
18 swift                    0x0000000105e02658 swift::CompilerInstance::performSemaUpTo(swift::SourceFile::ASTStage_t) + 616
19 swift                    0x00000001055dd74d performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*, swift::UnifiedStatsReporter*) + 1309
20 swift                    0x00000001055dc19d swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3021
21 swift                    0x000000010558e0be main + 686
22 libdyld.dylib            0x00007fff78b17ed9 start + 1
<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)

for all recent Swift 5.0 dev snapshots, for exmaple

Apple Swift version 5.0-dev (LLVM ed64f75263, Clang e5012f3421, Swift 5a827a9558)
Target: x86_64-apple-darwin18.2.0
@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
This issue was closed.
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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
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