Adding %_NewObject intrinsic

src/js/regexp.js

Index: src/js/regexp.js
diff --git a/src/js/regexp.js b/src/js/regexp.js
index 100ee9bf893688e9f7caa96cd8eca3f4fda07da1..5b4fb56473bcdd72e8cf385c5e475f4ff2eafd84 100644
--- a/src/js/regexp.js
+++ b/src/js/regexp.js
@@ -109,7 +109,7 @@ function RegExpConstructor(pattern, flags) {
     if (IS_UNDEFINED(flags)) flags = input_pattern.flags;
   }
 
-  var object = %NewObject(GlobalRegExp, newtarget);
+  var object = %_NewObject(GlobalRegExp, newtarget);
   return RegExpInitialize(object, pattern, flags);
 }