Merge pull request #6270 from practicalswift/swiftc-28579-unreachable-executed-at-swift-lib-sema-csdiag-cpp-5054
[swiftc (104 vs. 5286)] Add crasher in swift::constraints::matchCallArguments
diff --git a/validation-test/compiler_crashers_fixed/28579-unreachable-executed-at-swift-lib-sema-csdiag-cpp-5054.swift b/validation-test/compiler_crashers_fixed/28579-unreachable-executed-at-swift-lib-sema-csdiag-cpp-5054.swift
new file mode 100644
index 0000000..3365150
--- /dev/null
+++ b/validation-test/compiler_crashers_fixed/28579-unreachable-executed-at-swift-lib-sema-csdiag-cpp-5054.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 https://swift.org/LICENSE.txt for license information
+// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+
+// RUN: not %target-swift-frontend %s -emit-ir
+var f=(let{RangeReplaceableSlice(f
