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Add test case for crash triggered in `swift::TypeBase::getCanonicalType(...)`. Current number of unresolved compiler crashers: 107 (5282 resolved) Stack trace: ``` 0 0x00000000034c8a48 llvm::sys::PrintStackTrace(llvm::raw_ostream&) (/path/to/swift/bin/swift+0x34c8a48) 1 0x00000000034c9186 SignalHandler(int) (/path/to/swift/bin/swift+0x34c9186) 2 0x00007f50fc5343e0 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x113e0) 3 0x00007f50fac62428 gsignal /build/glibc-Qz8a69/glibc-2.23/signal/../sysdeps/unix/sysv/linux/raise.c:54:0 4 0x00007f50fac6402a abort /build/glibc-Qz8a69/glibc-2.23/stdlib/abort.c:91:0 5 0x00000000034648fd llvm::llvm_unreachable_internal(char const*, char const*, unsigned int) (/path/to/swift/bin/swift+0x34648fd) 6 0x0000000000e44476 swift::TypeBase::getCanonicalType() (/path/to/swift/bin/swift+0xe44476) 7 0x0000000000d3c3a0 (anonymous namespace)::FindCapturedVars::checkType(swift::Type, swift::SourceLoc) (/path/to/swift/bin/swift+0xd3c3a0) 8 0x0000000000d3c80a (anonymous namespace)::FindCapturedVars::walkToExprPre(swift::Expr*) (/path/to/swift/bin/swift+0xd3c80a) 9 0x0000000000dcde25 swift::ASTVisitor<(anonymous namespace)::Traversal, swift::Expr*, swift::Stmt*, bool, swift::Pattern*, bool, void>::visit(swift::Expr*) (/path/to/swift/bin/swift+0xdcde25) 10 0x0000000000dcfe65 swift::ASTVisitor<(anonymous namespace)::Traversal, swift::Expr*, swift::Stmt*, bool, swift::Pattern*, bool, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xdcfe65) 11 0x0000000000dcfa40 swift::ASTVisitor<(anonymous namespace)::Traversal, swift::Expr*, swift::Stmt*, bool, swift::Pattern*, bool, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xdcfa40) 12 0x0000000000dcffb5 swift::ASTVisitor<(anonymous namespace)::Traversal, swift::Expr*, swift::Stmt*, bool, swift::Pattern*, bool, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xdcffb5) 13 0x0000000000dcfa40 swift::ASTVisitor<(anonymous namespace)::Traversal, swift::Expr*, swift::Stmt*, bool, swift::Pattern*, bool, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xdcfa40) 14 0x0000000000dcc4be swift::Stmt::walk(swift::ASTWalker&) (/path/to/swift/bin/swift+0xdcc4be) 15 0x0000000000d3b4c9 swift::TypeChecker::computeCaptures(swift::AnyFunctionRef) (/path/to/swift/bin/swift+0xd3b4c9) 16 0x0000000000d3def7 (anonymous namespace)::FindCapturedVars::propagateCaptures(swift::AnyFunctionRef, swift::SourceLoc) (/path/to/swift/bin/swift+0xd3def7) 17 0x0000000000d3cbfa (anonymous namespace)::FindCapturedVars::walkToExprPre(swift::Expr*) (/path/to/swift/bin/swift+0xd3cbfa) 18 0x0000000000dcf949 swift::ASTVisitor<(anonymous namespace)::Traversal, swift::Expr*, swift::Stmt*, bool, swift::Pattern*, bool, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xdcf949) 19 0x0000000000dcc4be swift::Stmt::walk(swift::ASTWalker&) (/path/to/swift/bin/swift+0xdcc4be) 20 0x0000000000d3b4c9 swift::TypeChecker::computeCaptures(swift::AnyFunctionRef) (/path/to/swift/bin/swift+0xd3b4c9) 21 0x0000000000c682fb typeCheckFunctionsAndExternalDecls(swift::TypeChecker&) (/path/to/swift/bin/swift+0xc682fb) 22 0x0000000000c68a09 swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) (/path/to/swift/bin/swift+0xc68a09) 23 0x0000000000987086 swift::CompilerInstance::performSema() (/path/to/swift/bin/swift+0x987086) 24 0x000000000047c446 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47c446) 25 0x000000000043ace7 main (/path/to/swift/bin/swift+0x43ace7) 26 0x00007f50fac4d830 __libc_start_main /build/glibc-Qz8a69/glibc-2.23/csu/../csu/libc-start.c:325:0 27 0x0000000000438129 _start (/path/to/swift/bin/swift+0x438129) ```
11 lines
450 B
Swift
11 lines
450 B
Swift
// This source file is part of the Swift.org open source project
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// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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// RUN: not --crash %target-swift-frontend %s -emit-ir
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// REQUIRES: asserts
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{c:{a{}guard{return $0+1
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