Upload Kmake

deps/v8/test/mjsunit/regress/regress-612146.js

@@ -0,0 +1,34 @@
+// Copyright 2016 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 f() {
+  var arguments_ = arguments;
+  if (undefined) {
+    while (true) {
+      arguments_[0];
+    }
+  } else {
+    %DeoptimizeNow();
+    return arguments_[0];
+  }
+};
+%PrepareFunctionForOptimization(f);
+;
+f(0);
+f(0);
+%OptimizeFunctionOnNextCall(f);
+assertEquals(1, f(1));
+
+function g() {
+  var a = arguments;
+  %DeoptimizeNow();
+  return a.length;
+};
+%PrepareFunctionForOptimization(g);
+g(1);
+g(1);
+%OptimizeFunctionOnNextCall(g);
+assertEquals(1, g(1));