Merge pull request #5768 from practicalswift/swiftc-28510-size-t-llvm-sys-locale-columnwidth-i-gettext-i-gettext-size

[swiftc (135 vs. 5186)] Add crasher in swift::PrintingDiagnosticConsumer::handleDiagnostic

Author: practicalswift

Diff for: validation-test/compiler_crashers/28510-size-t-llvm-sys-locale-columnwidth-i-gettext-i-gettext-size.swift

@@ -0,0 +1,11 @@
+// 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 -emit-ir
+// REQUIRES: asserts
+struct B{func 丏
+f