Merge pull request #3718 from practicalswift/swiftc-28378-swift-typechecker-resolvewitness

[swiftc (73 vs. 5115)] Add crasher in swift::TypeChecker::resolveWitness(...)

Author: practicalswift

validation-test/compiler_crashers/28378-swift-typechecker-resolvewitness.swift

@@ -0,0 +1,15 @@
+// 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
+//
+// See http://swift.org/LICENSE.txt for license information
+// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+
+// RUN: not --crash %target-swift-frontend %s -parse
+// REQUIRES: asserts
+func<{@objc protocol C{
+func a
+protocol a{class B<b:a{
+protocol A{enum S<T{
+struct D:C{
+func a