Introduce builtin intrinsic object to share property values between builtin objects (#3490)

Fixed:
 - Global symbol access
 - Array.prototype.values and Array.prototype[Symbol.iterator] must be the same function object

To test the new functionality arguments object Symbol.iterator property is added.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu

jerry-core/lit/lit-magic-strings.h

@@ -49,6 +49,7 @@ typedef enum
   LIT_INTERNAL_MAGIC_STRING_ITERATOR_NEXT_INDEX, /**< [[%Iterator%NextIndex]] property */
   LIT_INTERNAL_MAGIC_STRING_MAP_KEY, /**< Property key used when an object is a key in a map object */
   LIT_INTERNAL_MAGIC_API_INTERNAL, /**< Property key used to add non-visible JS properties from the public API  */
+  LIT_INTERNAL_MAGIC_STRING_ARRAY_PROTOTYPE_VALUES, /**< %ArrayProto_values% intrinsic routine */
   /* List of well known symbols */
   LIT_GLOBAL_SYMBOL_HAS_INSTANCE, /**< @@hasInstance well known symbol */
   LIT_GLOBAL_SYMBOL_IS_CONCAT_SPREADABLE, /**< @@isConcatSpreadable well known symbol */