Upload Kmake

deps/v8/test/mjsunit/regress/regress-crbug-899524.js

@@ -0,0 +1,34 @@
+// Copyright 2018 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 empty() {}
+
+function baz(expected, found) {
+  var start = "";
+  found.length, start + 'x';
+  if (expected.length === found.length) {
+    for (var i = 0; i < expected.length; ++i) {
+      empty(found[i]);
+    }
+  }
+}
+
+baz([1], new class A extends Array {}());
+
+(function () {
+  "use strict";
+  function bar() {
+    baz([1, 2], arguments);
+  }
+  function foo() {
+    bar(2147483648, -[]);
+  };
+  %PrepareFunctionForOptimization(foo);
+  foo();
+  foo();
+  %OptimizeFunctionOnNextCall(foo);
+  foo();
+})();