Merge pull request #6560 from practicalswift/swiftc-28601-getkind-exprkind-binary-isa-tupleexpr-e-binaryexprs-must-have-a-tupleexpr-as-the

[swiftc (25 vs. 5389)] Add crasher in swift::ASTVisitor

Author: practicalswift

validation-test/compiler_crashers/28601-getkind-exprkind-binary-isa-tupleexpr-e-binaryexprs-must-have-a-tupleexpr-as-the.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
+({$0($0===(t:_