Merge pull request #6647 from practicalswift/swiftc-28632-unreachable-executed-at-swift-lib-ast-type-cpp-1130

[swiftc (48 vs. 5396)] Add crasher: UNREACHABLE executed at swift/lib/AST/Type.cpp:1337

Author: practicalswift

validation-test/compiler_crashers/28632-unreachable-executed-at-swift-lib-ast-type-cpp-1130.swift

@@ -0,0 +1,13 @@
+// This source file is part of the Swift.org open source project
+// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
+// Licensed under Apache License v2.0 with Runtime Library Exception
+//
+// See https://swift.org/LICENSE.txt for license information
+// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+
+// REQUIRES: deterministic-behavior
+// REQUIRES: asserts
+// RUN: not --crash %target-swift-frontend %s -emit-ir
+
+{func a>
+print(a==#keyPath(a{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{