[swiftc (73 vs. 5162)] Add crasher in swift::TypeChecker::validateDecl(…) #4859
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…l(...) Add test case for crash triggered in `swift::TypeChecker::validateDecl(...)`. Current number of unresolved compiler crashers: 73 (5162 resolved) Assertion failure in [`lib/AST/GenericEnvironment.cpp (line 58)`](https://github.com/apple/swift/blob/master/lib/AST/GenericEnvironment.cpp#L58): ``` Assertion `!type->hasArchetype() && "not fully substituted"' failed. When executing: swift::Type swift::GenericEnvironment::mapTypeOutOfContext(swift::ModuleDecl *, swift::Type) const ``` Assertion context: ``` return ctx.Allocate(bytes, alignof(GenericEnvironment), AllocationArena::Permanent); } Type GenericEnvironment::mapTypeOutOfContext(ModuleDecl *M, Type type) const { type = type.subst(M, ArchetypeToInterfaceMap, SubstFlags::AllowLoweredTypes); assert(!type->hasArchetype() && "not fully substituted"); return type; } Type GenericEnvironment::mapTypeIntoContext(ModuleDecl *M, Type type) const { type = type.subst(M, InterfaceToArchetypeMap, SubstFlags::AllowLoweredTypes); ``` Stack trace: ``` swift: /path/to/swift/lib/AST/GenericEnvironment.cpp:58: swift::Type swift::GenericEnvironment::mapTypeOutOfContext(swift::ModuleDecl *, swift::Type) const: Assertion `!type->hasArchetype() && "not fully substituted"' failed. 11 swift 0x0000000000eda3b1 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 3857 12 swift 0x0000000001110df7 swift::ProtocolDecl::existentialTypeSupportedSlow(swift::LazyResolver*) + 151 17 swift 0x00000000010aaa04 swift::Decl::walk(swift::ASTWalker&) + 20 18 swift 0x0000000000f5676d swift::TypeChecker::checkUnsupportedProtocolType(swift::Decl*) + 157 24 swift 0x0000000000edfc26 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) + 150 25 swift 0x0000000000f044c2 swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) + 1026 26 swift 0x0000000000c86e69 swift::CompilerInstance::performSema() + 3289 28 swift 0x00000000007e0947 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 2887 29 swift 0x00000000007a8e08 main + 2984 Stack dump: 0. Program arguments: /path/to/swift/bin/swift -frontend -c -primary-file validation-test/compiler_crashers/28423-swift-typechecker-validatedecl.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -module-name main -o /tmp/28423-swift-typechecker-validatedecl-a62cc0.o 1. While type-checking 'a' at validation-test/compiler_crashers/28423-swift-typechecker-validatedecl.swift:11:1 <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 smoke test and merge |
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Add test case for crash triggered in
swift::TypeChecker::validateDecl(...).Current number of unresolved compiler crashers: 73 (5162 resolved)
Assertion failure in
lib/AST/GenericEnvironment.cpp (line 58):Assertion context:
Stack trace: