Upload Kmake

deps/v8/test/mjsunit/compiler/for-in-5.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 --turbofan
+
+// Ensure that we properly check for properties on the prototypes.
+function foo(o) {
+  var s = "";
+  for (var i in o) s += i;
+  return s;
+}
+var o = {a:1, b:2, c:3};
+%PrepareFunctionForOptimization(foo);
+assertEquals("abc", foo(o));
+assertEquals("abc", foo(o));
+%OptimizeFunctionOnNextCall(foo);
+assertEquals("abc", foo(o));
+Object.prototype.d = 4;
+assertEquals("abcd", foo(o));