[swiftc] Add test case for crash triggered in swift::lookupVisibleDecls(…) #2759
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…ls(swift::VisibleDeclConsumer&, swift::DeclContext const*, swift::LazyResolver*, bool, swift::SourceLoc) Stack trace: ``` swift: /path/to/llvm/include/llvm/Support/Casting.h:237: typename cast_retty<X, Y *>::ret_type llvm::cast(Y *) [X = swift::ClosureExpr, Y = const swift::AbstractClosureExpr]: Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed. 8 swift 0x00000000010d08d3 swift::lookupVisibleDecls(swift::VisibleDeclConsumer&, swift::DeclContext const*, swift::LazyResolver*, bool, swift::SourceLoc) + 1971 9 swift 0x0000000000edbc74 swift::TypeChecker::performTypoCorrection(swift::DeclContext*, swift::DeclRefKind, swift::DeclName, swift::SourceLoc, swift::OptionSet<swift::NameLookupFlags, unsigned int>, swift::LookupResult&, unsigned int) + 260 10 swift 0x0000000000e868a8 swift::TypeChecker::resolveDeclRefExpr(swift::UnresolvedDeclRefExpr*, swift::DeclContext*) + 3864 12 swift 0x000000000104df53 swift::Expr::walk(swift::ASTWalker&) + 19 13 swift 0x0000000000e870c7 swift::TypeChecker::solveForExpression(swift::Expr*&, swift::DeclContext*, swift::Type, swift::FreeTypeVariableBinding, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem&, llvm::SmallVectorImpl<swift::constraints::Solution>&, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>) + 119 14 swift 0x0000000000e8da82 swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*) + 610 17 swift 0x0000000000f0465a swift::TypeChecker::typeCheckFunctionBodyUntil(swift::FuncDecl*, swift::SourceLoc) + 346 18 swift 0x0000000000f044be swift::TypeChecker::typeCheckAbstractFunctionBodyUntil(swift::AbstractFunctionDecl*, swift::SourceLoc) + 46 19 swift 0x0000000000f05083 swift::TypeChecker::typeCheckAbstractFunctionBody(swift::AbstractFunctionDecl*) + 179 21 swift 0x0000000000ec3221 swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) + 1249 22 swift 0x0000000000c58a39 swift::CompilerInstance::performSema() + 3289 24 swift 0x00000000007d6d6f swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 2863 25 swift 0x00000000007a2db8 main + 2872 Stack dump: 0. Program arguments: /path/to/swift/bin/swift -frontend -c -primary-file validation-test/compiler_crashers/28297-swift-lookupvisibledecls.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -module-name main -o /tmp/28297-swift-lookupvisibledecls-ca545b.o 1. While type-checking getter for a at validation-test/compiler_crashers/28297-swift-lookupvisibledecls.swift:10:13 2. While type-checking expression at [validation-test/compiler_crashers/28297-swift-lookupvisibledecls.swift:10:14 - line:10:14] RangeText="p" <unknown>:0: error: unable to execute command: Aborted <unknown>:0: error: compile command failed due to signal (use -v to see invocation) ```
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@swift-ci Please test and merge |
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What's in this pull request?
Crash case with stack trace:
Resolved bug number: –
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