Micro-optimize passing of args to HasLocalProperty.

src/v8natives.js

Index: src/v8natives.js
diff --git a/src/v8natives.js b/src/v8natives.js
index 7a4be276d72f1af93e4c2cfa95e8956acfb429db..f5c251ee033988be9c57514ca8f988b9a302231f 100644
--- a/src/v8natives.js
+++ b/src/v8natives.js
@@ -234,7 +234,7 @@ function ObjectValueOf() {
 
 // ECMA-262 - 15.2.4.5
 function ObjectHasOwnProperty(V) {
-  return %HasLocalProperty(ToObject(this), ToString(V));
+  return %HasLocalProperty(TO_OBJECT_INLINE(this), TO_STRING_INLINE(V));
 }