Update ObjectToString to Harmony-draft algorithm

src/messages.js

Index: src/messages.js
diff --git a/src/messages.js b/src/messages.js
index 2dddffa57ad8cae08d6f445116558dac18e7d4a4..91e24c70157ffb6c2ad87e991e029d9d1dd7f050 100644
--- a/src/messages.js
+++ b/src/messages.js
@@ -223,7 +223,7 @@ function NoSideEffectToString(obj) {
     return str;
   }
   if (IS_SYMBOL(obj)) return %_CallFunction(obj, SymbolToString);
-  if (IS_OBJECT(obj) && %GetDataProperty(obj, "toString") === ObjectToString) {
+  if (IS_OBJECT(obj) && %GetDataProperty(obj, "toString") === DefaultObjectToString) {

[Dmitry Lomov (no reviews), 2014/10/21 06:11:53]

Line length

[caitp (gmail), 2014/10/21 14:54:45]

Acknowledged.

     var constructor = %GetDataProperty(obj, "constructor");
     if (typeof constructor == "function") {
       var constructorName = constructor.name;
@@ -235,6 +235,7 @@ function NoSideEffectToString(obj) {
   if (CanBeSafelyTreatedAsAnErrorObject(obj)) {
     return %_CallFunction(obj, ErrorToString);
   }
+
   return %_CallFunction(obj, ObjectToString);
 }