[swiftc] Add test case for crash triggered in swift::TypeBase::getSuperclass(…) #1717
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…erclass(swift::LazyResolver*) Stack trace: ``` swift: /path/to/llvm/include/llvm/Support/Casting.h:237: typename cast_retty<X, Y *>::ret_type llvm::cast(Y *) [X = swift::BoundGenericType, Y = swift::TypeBase]: Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed. 8 swift 0x000000000109c869 swift::TypeBase::getSuperclass(swift::LazyResolver*) + 857 9 swift 0x0000000000e547ad swift::TypeChecker::defineDefaultConstructor(swift::NominalTypeDecl*) + 109 10 swift 0x0000000000e538f9 swift::TypeChecker::addImplicitConstructors(swift::NominalTypeDecl*) + 1417 11 swift 0x0000000000e466cd swift::TypeChecker::checkInheritanceClause(swift::Decl*, swift::GenericTypeResolver*) + 6077 12 swift 0x0000000000e4830f swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 527 13 swift 0x0000000000e481d1 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 209 14 swift 0x0000000000e481d1 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 209 17 swift 0x000000000107f0d2 swift::namelookup::lookupInModule(swift::ModuleDecl*, llvm::ArrayRef<std::pair<swift::Identifier, swift::SourceLoc> >, swift::DeclName, llvm::SmallVectorImpl<swift::ValueDecl*>&, swift::NLKind, swift::namelookup::ResolutionKind, swift::LazyResolver*, swift::DeclContext const*, llvm::ArrayRef<std::pair<llvm::ArrayRef<std::pair<swift::Identifier, swift::SourceLoc> >, swift::ModuleDecl*> >) + 1122 18 swift 0x00000000010863fa swift::UnqualifiedLookup::UnqualifiedLookup(swift::DeclName, swift::DeclContext*, swift::LazyResolver*, bool, swift::SourceLoc, bool, bool) + 3978 19 swift 0x0000000000e879bb swift::TypeChecker::lookupUnqualified(swift::DeclContext*, swift::DeclName, swift::SourceLoc, swift::OptionSet<swift::NameLookupFlags, unsigned int>) + 187 22 swift 0x0000000000e91380 swift::TypeChecker::inferDefaultWitnesses(swift::ProtocolDecl*) + 288 23 swift 0x0000000000e717a8 swift::finishTypeChecking(swift::SourceFile&) + 536 24 swift 0x0000000000cc27ea swift::CompilerInstance::performSema() + 3514 26 swift 0x000000000078c25c frontend_main(llvm::ArrayRef<char const*>, char const*, void*) + 2492 27 swift 0x0000000000786d25 main + 2837 Stack dump: 0. Program arguments: /path/to/swift/bin/swift -frontend -c -primary-file validation-test/compiler_crashers/28275-swift-typebase-getsuperclass.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -module-name main -o /tmp/28275-swift-typebase-getsuperclass-4e8e8d.o 1. While defining default constructor for 'a' at validation-test/compiler_crashers/28275-swift-typebase-getsuperclass.swift:10:44 <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 |
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| // 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 | |||
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Please just reference LICENSE.txt, and not Apache License v2.0 directly. In other words, please remove this line.
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This is the correct file header.
lattner
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Mar 17, 2016
…ase-getsuperclass [swiftc] Add test case for crash triggered in swift::TypeBase::getSuperclass(…)
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What's in this pull request?
Crash case with stack trace:
Resolved bug number: –
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