Merge pull request #3489 from practicalswift/swiftc-28365-swift-constraints-constraintgraphnode-getmembertype

[swiftc (67 vs. 5108)] Add crasher in swift::constraints::ConstraintGraphNode::getMemberType(…)

Author: gribozavr

validation-test/compiler_crashers/28365-swift-constraints-constraintgraphnode-getmembertype.swift

@@ -0,0 +1,9 @@
+// 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
+enum B<g:a,func d var d=B{}protocol a{{}typealias e:a]typealias d:a