Merge pull request #6558 from practicalswift/swiftc-28599-false-should-have-found-context-by-now

[swiftc (23 vs. 5389)] Add crasher in swift::TypeChecker::resolveTypeInContext

Author: practicalswift

validation-test/compiler_crashers/28599-false-should-have-found-context-by-now.swift

@@ -0,0 +1,10 @@
+// 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 https://swift.org/LICENSE.txt for license information
+// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+
+// RUN: not --crash %target-swift-frontend %s -emit-ir
+// REQUIRES: asserts
+protocol a:A{{}class d{func b(a=}}protocol A:a{{}class a