[swiftc (122 vs. 5184)] Add crasher in swift::TypeChecker::typeCheckDecl #5745
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Add test case for crash triggered in `swift::TypeChecker::typeCheckDecl`. Current number of unresolved compiler crashers: 122 (5184 resolved) Assertion failure in [`lib/Sema/TypeCheckDecl.cpp (line 6397)`](https://github.com/apple/swift/blob/master/lib/Sema/TypeCheckDecl.cpp#L6397): ``` Assertion `ED->getDeclContext()->isModuleScopeContext() && "non-top-level extensions make 'private' != 'fileprivate'"' failed. When executing: void <anonymous namespace>::DeclChecker::visitExtensionDecl(swift::ExtensionDecl *) ``` Assertion context: ``` const auto access = AA->getAccess(); AccessScope desiredAccessScope = AccessScope::getPublic(); switch (access) { case Accessibility::Private: assert(ED->getDeclContext()->isModuleScopeContext() && "non-top-level extensions make 'private' != 'fileprivate'"); SWIFT_FALLTHROUGH; case Accessibility::FilePrivate: { const DeclContext *DC = ED->getModuleScopeContext(); bool isPrivate = access == Accessibility::Private; desiredAccessScope = AccessScope(DC, isPrivate); ``` Stack trace: ``` #0 0x00000000031d10e8 llvm::sys::PrintStackTrace(llvm::raw_ostream&) (/path/to/swift/bin/swift+0x31d10e8) #1 0x00000000031d1936 SignalHandler(int) (/path/to/swift/bin/swift+0x31d1936) #2 0x00007f55513bb330 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x10330) #3 0x00007f554fb79c37 gsignal /build/eglibc-oGUzwX/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0 #4 0x00007f554fb7d028 abort /build/eglibc-oGUzwX/eglibc-2.19/stdlib/abort.c:91:0 #5 0x00007f554fb72bf6 __assert_fail_base /build/eglibc-oGUzwX/eglibc-2.19/assert/assert.c:92:0 #6 0x00007f554fb72ca2 (/lib/x86_64-linux-gnu/libc.so.6+0x2fca2) #7 0x0000000000baa8db (/path/to/swift/bin/swift+0xbaa8db) #8 0x0000000000ba1da0 (anonymous namespace)::DeclChecker::visit(swift::Decl*) (/path/to/swift/bin/swift+0xba1da0) #9 0x0000000000baaecb (anonymous namespace)::DeclChecker::visitEnumDecl(swift::EnumDecl*) (/path/to/swift/bin/swift+0xbaaecb) #10 0x0000000000ba1e96 (anonymous namespace)::DeclChecker::visit(swift::Decl*) (/path/to/swift/bin/swift+0xba1e96) #11 0x0000000000ba1d06 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) (/path/to/swift/bin/swift+0xba1d06) #12 0x0000000000c0253f swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xc0253f) #13 0x0000000000c027ab swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xc027ab) #14 0x0000000000c024cc swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xc024cc) #15 0x0000000000c01db6 swift::TypeChecker::typeCheckTopLevelCodeDecl(swift::TopLevelCodeDecl*) (/path/to/swift/bin/swift+0xc01db6) #16 0x0000000000c15d0a swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) (/path/to/swift/bin/swift+0xc15d0a) #17 0x0000000000938c66 swift::CompilerInstance::performSema() (/path/to/swift/bin/swift+0x938c66) #18 0x000000000047ece5 performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47ece5) #19 0x000000000047db7f swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47db7f) #20 0x000000000044509a main (/path/to/swift/bin/swift+0x44509a) #21 0x00007f554fb64f45 __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:321:0 #22 0x0000000000442816 _start (/path/to/swift/bin/swift+0x442816) ```
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@swift-ci please smoke test and merge |
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Add test case for crash triggered in
swift::TypeChecker::typeCheckDecl.Current number of unresolved compiler crashers: 122 (5184 resolved)
Assertion failure in
lib/Sema/TypeCheckDecl.cpp (line 6397):Assertion context:
Stack trace: