[Interpreter] Add ValueOf intrinsic.

test/cctest/interpreter/test-interpreter-intrinsics.cc

 // Copyright 2015 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.
 
 #include "src/v8.h"
 
 #include "src/interpreter/interpreter-intrinsics.h"
 #include "test/cctest/interpreter/interpreter-tester.h"
 
 namespace v8 {
@@ skipping 235 matching lines @@
 
   InvokeIntrinsicHelper sub_string_helper(isolate, handles.main_zone(),
                                           Runtime::kInlineSubString);
   CHECK(sub_string_helper
             .Invoke(sub_string_helper.NewObject("'foobar'"),
                     sub_string_helper.NewObject("3"),
                     sub_string_helper.NewObject("6"))
             ->SameValue(*sub_string_helper.NewObject("'bar'")));
 }
 
+TEST(ValueOf) {
+  HandleAndZoneScope handles;
+  Isolate* isolate = handles.main_isolate();
+  Factory* factory = isolate->factory();
+  InvokeIntrinsicHelper helper(handles.main_isolate(), handles.main_zone(),
+                               Runtime::kInlineValueOf);
+
+  CHECK_EQ(Smi::FromInt(1234), *helper.Invoke(helper.NewObject("1234")));
+  CHECK_EQ(Smi::FromInt(5678),
+           *helper.Invoke(helper.NewObject("new Object(5678)")));
+
+  CHECK_EQ(*factory->true_value(), *helper.Invoke(helper.NewObject("true")));
+  CHECK_EQ(*factory->false_value(),
+           *helper.Invoke(helper.NewObject("new Object(false)")));
+
+  CHECK(helper.Invoke(helper.NewObject("'foobar'"))
+            ->SameValue(*helper.NewObject("'foobar'")));
+  CHECK(helper.Invoke(helper.NewObject("new Object('foobar')"))
+            ->SameValue(*helper.NewObject("'foobar'")));
+}
+
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8