Upload Kmake

deps/v8/test/mjsunit/regress/regress-crbug-774459.js

@@ -0,0 +1,20 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax
+
+(function() {
+const m = new Map();
+const k = Math.pow(2, 31) - 1;
+m.set(k, 1);
+
+function foo(m, k) {
+  return m.get(k | 0);
+};
+%PrepareFunctionForOptimization(foo);
+assertEquals(1, foo(m, k));
+assertEquals(1, foo(m, k));
+%OptimizeFunctionOnNextCall(foo);
+assertEquals(1, foo(m, k));
+})();