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Add test case for crash triggered in `swift::TypeChecker::configureInterfaceType(…)`. Assertion failure in [`lib/AST/Parameter.cpp (line 154)`](https://github.com/apple/swift/blob/master/lib/AST/Parameter.cpp#L154): ``` Assertion `!type->hasArchetype()' failed. When executing: swift::Type swift::ParameterList::getInterfaceType(swift::DeclContext *) const ``` <details> <summary>Assertion context:</summary> ``` /// containing contextual types. Type ParameterList::getInterfaceType(DeclContext *DC) const { auto &C = DC->getASTContext(); if (size() == 0) return TupleType::getEmpty(C); SmallVector<TupleTypeElt, 8> argumentInfo; for (auto P : *this) { assert(P->hasType()); Type type; if (P->hasInterfaceType()) type = P->getInterfaceType(); else if (!P->getTypeLoc().hasLocation()) type = ArchetypeBuilder::mapTypeOutOfContext(DC, P->getType()); else type = P->getType(); assert(!type->hasArchetype()); ``` </details> <details> <summary>Stack trace:</summary> ``` swift: /path/to/swift/lib/AST/Parameter.cpp:154: swift::Type swift::ParameterList::getInterfaceType(swift::DeclContext *) const: Assertion `!type->hasArchetype()' failed. 9 swift 0x0000000000eea501 swift::TypeChecker::configureInterfaceType(swift::AbstractFunctionDecl*) + 625 10 swift 0x0000000000ee9d31 swift::TypeChecker::validateGenericFuncSignature(swift::AbstractFunctionDecl*) + 929 13 swift 0x0000000000eb1686 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) + 150 14 swift 0x0000000000f3191b swift::createImplicitConstructor(swift::TypeChecker&, swift::NominalTypeDecl*, swift::ImplicitConstructorKind) + 1371 15 swift 0x0000000000eb7290 swift::TypeChecker::addImplicitConstructors(swift::NominalTypeDecl*) + 1536 18 swift 0x0000000000eb1686 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) + 150 21 swift 0x0000000000f17bca swift::TypeChecker::typeCheckFunctionBodyUntil(swift::FuncDecl*, swift::SourceLoc) + 346 22 swift 0x0000000000f17a2e swift::TypeChecker::typeCheckAbstractFunctionBodyUntil(swift::AbstractFunctionDecl*, swift::SourceLoc) + 46 23 swift 0x0000000000f185f3 swift::TypeChecker::typeCheckAbstractFunctionBody(swift::AbstractFunctionDecl*) + 179 25 swift 0x0000000000ed38e1 swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) + 1281 26 swift 0x0000000000c60b89 swift::CompilerInstance::performSema() + 3289 28 swift 0x00000000007d8429 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 2857 29 swift 0x00000000007a4458 main + 2872 Stack dump: 0. Program arguments: /path/to/swift/bin/swift -frontend -c -primary-file validation-test/compiler_crashers/28352-swift-typechecker-configureinterfacetype.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -module-name main -o /tmp/28352-swift-typechecker-configureinterfacetype-226407.o 1. While type-checking 'a' at validation-test/compiler_crashers/28352-swift-typechecker-configureinterfacetype.swift:10:28 2. While type-checking 'A' at validation-test/compiler_crashers/28352-swift-typechecker-configureinterfacetype.swift:10:35 3. While type-checking 'init' at validation-test/compiler_crashers/28352-swift-typechecker-configureinterfacetype.swift:10:42 <unknown>:0: error: unable to execute command: Aborted <unknown>:0: error: compile command failed due to signal (use -v to see invocation) ``` </details>
// This source file is part of the Swift.org open source project // Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors // Licensed under Apache License v2.0 with Runtime Library Exception // // See http://swift.org/LICENSE.txt for license information // See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors Repository: https://github.com/practicalswift/swift-compiler-crashes.git Web URL: https://github.com/practicalswift/swift-compiler-crashes