[swiftc] Add test case for crash triggered in swift::TypeChecker::computeDefaultAccessibility(…) #1733
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…puteDefaultAccessibility(swift::ExtensionDecl*) Stack trace: ``` swift: /path/to/swift/include/swift/AST/Decl.h:1716: void swift::ExtensionDecl::setDefaultAndMaxAccessibility(swift::Accessibility, swift::Accessibility): Assertion `!hasDefaultAccessibility() && "default accessibility already set"' failed. 9 swift 0x0000000000e4e9ee swift::TypeChecker::computeDefaultAccessibility(swift::ExtensionDecl*) + 830 10 swift 0x0000000000e4eec9 swift::TypeChecker::computeAccessibility(swift::ValueDecl*) + 633 11 swift 0x0000000000e4f20c swift::TypeChecker::validateAccessibility(swift::ValueDecl*) + 76 12 swift 0x0000000000e4c6d2 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 66 16 swift 0x0000000000e52296 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) + 150 17 swift 0x0000000000e75542 swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int) + 994 18 swift 0x0000000000cc6e2f swift::CompilerInstance::performSema() + 3087 20 swift 0x000000000078d17c frontend_main(llvm::ArrayRef<char const*>, char const*, void*) + 2492 21 swift 0x0000000000787c45 main + 2837 Stack dump: 0. Program arguments: /path/to/swift/bin/swift -frontend -c -primary-file validation-test/compiler_crashers/28276-swift-typechecker-computedefaultaccessibility.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -module-name main -o /tmp/28276-swift-typechecker-computedefaultaccessibility-b0a9ad.o 1. While type-checking 'A' at validation-test/compiler_crashers/28276-swift-typechecker-computedefaultaccessibility.swift:10:1 <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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lattner
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Mar 19, 2016
…hecker-computedefaultaccessibility [swiftc] Add test case for crash triggered in swift::TypeChecker::computeDefaultAccessibility(…)
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What's in this pull request?
Crash case with stack trace:
Resolved bug number: (SR-)
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