Fix redefinition of aliased elements in arguments.

test/cctest/test-api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 12313 matching lines @@
 
   result = CompileRun("var sum = 0;"
                       "for (var i = 0; i < 8; i++) {"
                       "  sum += pixels[i];"
                       "}"
                       "sum;");
   CHECK_EQ(28, result->Int32Value());
 
   i::Handle<i::Smi> value(i::Smi::FromInt(2));
   i::Handle<i::Object> no_failure;
-  no_failure = i::JSObject::SetElement(jsobj, 1, value, i::kNonStrictMode);
+  no_failure =
+      i::JSObject::SetElement(jsobj, 1, value, NONE, i::kNonStrictMode);
   ASSERT(!no_failure.is_null());
   i::USE(no_failure);
   CHECK_EQ(2, i::Smi::cast(jsobj->GetElement(1)->ToObjectChecked())->value());
   *value.location() = i::Smi::FromInt(256);
-  no_failure = i::JSObject::SetElement(jsobj, 1, value, i::kNonStrictMode);
+  no_failure =
+      i::JSObject::SetElement(jsobj, 1, value, NONE, i::kNonStrictMode);
   ASSERT(!no_failure.is_null());
   i::USE(no_failure);
   CHECK_EQ(255,
            i::Smi::cast(jsobj->GetElement(1)->ToObjectChecked())->value());
   *value.location() = i::Smi::FromInt(-1);
-  no_failure = i::JSObject::SetElement(jsobj, 1, value, i::kNonStrictMode);
+  no_failure =
+      i::JSObject::SetElement(jsobj, 1, value, NONE, i::kNonStrictMode);
   ASSERT(!no_failure.is_null());
   i::USE(no_failure);
   CHECK_EQ(0, i::Smi::cast(jsobj->GetElement(1)->ToObjectChecked())->value());
 
   result = CompileRun("for (var i = 0; i < 8; i++) {"
                       "  pixels[i] = (i * 65) - 109;"
                       "}"
                       "pixels[1] + pixels[6];");
   CHECK_EQ(255, result->Int32Value());
   CHECK_EQ(0, i::Smi::cast(jsobj->GetElement(0)->ToObjectChecked())->value());
@@ skipping 3736 matching lines @@
   CompileRun("throw 'exception';");
 }
 
 
 TEST(CallCompletedCallbackTwoExceptions) {
   v8::HandleScope scope;
   LocalContext env;
   v8::V8::AddCallCompletedCallback(CallCompletedCallbackException);
   CompileRun("throw 'first exception';");
 }