[SourceKit] Add test case for crash triggered in swift::GenericEnvironment::GenericEnvironment(…) #4843
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…nment::GenericEnvironment(llvm::DenseMap<swift::TypeBase*, swift::Type, llvm::DenseMapInfo<swift::TypeBase*>, llvm::detail::DenseMapPair<swift::TypeBase*, swift::Type> >) Stack trace: ``` found code completion token A at offset 160 swift-ide-test: /path/to/swift/lib/AST/GenericEnvironment.cpp:40: swift::GenericEnvironment::GenericEnvironment(TypeSubstitutionMap): Assertion `result.second && "duplicate generic parameters in environment"' failed. 8 swift-ide-test 0x0000000000c4d578 swift::GenericEnvironment::GenericEnvironment(llvm::DenseMap<swift::TypeBase*, swift::Type, llvm::DenseMapInfo<swift::TypeBase*>, llvm::detail::DenseMapPair<swift::TypeBase*, swift::Type> >) + 728 9 swift-ide-test 0x0000000000b6eea9 swift::GenericEnvironment::get(swift::ASTContext&, llvm::DenseMap<swift::TypeBase*, swift::Type, llvm::DenseMapInfo<swift::TypeBase*>, llvm::detail::DenseMapPair<swift::TypeBase*, swift::Type> >) + 57 10 swift-ide-test 0x0000000000b57c16 swift::ArchetypeBuilder::getGenericEnvironment(llvm::ArrayRef<swift::GenericTypeParamType*>) + 326 11 swift-ide-test 0x00000000009cfdf6 swift::TypeChecker::finalizeGenericParamList(swift::ArchetypeBuilder&, swift::GenericParamList*, swift::GenericSignature*, swift::DeclContext*) + 150 14 swift-ide-test 0x000000000098d101 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 945 17 swift-ide-test 0x0000000000c50ac0 swift::lookupVisibleDecls(swift::VisibleDeclConsumer&, swift::DeclContext const*, swift::LazyResolver*, bool, swift::SourceLoc) + 256 22 swift-ide-test 0x0000000000bcce84 swift::Decl::walk(swift::ASTWalker&) + 20 23 swift-ide-test 0x0000000000c65a5e swift::SourceFile::walk(swift::ASTWalker&) + 174 24 swift-ide-test 0x0000000000c64b7f swift::ModuleDecl::walk(swift::ASTWalker&) + 79 25 swift-ide-test 0x0000000000c3b90b swift::DeclContext::walkContext(swift::ASTWalker&) + 187 26 swift-ide-test 0x00000000008f29c8 swift::performDelayedParsing(swift::DeclContext*, swift::PersistentParserState&, swift::CodeCompletionCallbacksFactory*) + 136 27 swift-ide-test 0x00000000007abd9d swift::CompilerInstance::performSema() + 3597 28 swift-ide-test 0x000000000074d981 main + 36401 Stack dump: 0. Program arguments: swift-ide-test -code-completion -code-completion-token=A -source-filename=<INPUT-FILE> 1. While walking into decl getter for a at <INPUT-FILE>:3:6 2. While type-checking 'a' at <INPUT-FILE>:3:23 ```
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@swift-ci please smoke test and merge |
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