Avoid using Function.prototype.call in a number of places in our

src/json.js

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 20 matching lines @@
   var val = holder[name];
   if (IS_OBJECT(val)) {
     if (IS_ARRAY(val)) {
       var length = val.length;
       for (var i = 0; i < length; i++) {
         var newElement = Revive(val, $String(i), reviver);
         val[i] = newElement;
       }
     } else {
       for (var p in val) {
-        if (ObjectHasOwnProperty.call(val, p)) {
+        if (%_CallFunction(val, p, ObjectHasOwnProperty)) {
           var newElement = Revive(val, p, reviver);
           if (IS_UNDEFINED(newElement)) {
             delete val[p];
           } else {
             val[p] = newElement;
           }
         }
       }
     }
   }
@@ skipping 42 matching lines @@
 function SerializeObject(value, replacer, stack, indent, gap) {
   if (!%PushIfAbsent(stack, value)) {
     throw MakeTypeError('circular_structure', []);
   }
   var stepback = indent;
   indent += gap;
   var partial = [];
   if (IS_ARRAY(replacer)) {
     var length = replacer.length;
     for (var i = 0; i < length; i++) {
-      if (ObjectHasOwnProperty.call(replacer, i)) {
+      if (%_CallFunction(replacer, i, ObjectHasOwnProperty)) {
         var p = replacer[i];
         var strP = JSONSerialize(p, value, replacer, stack, indent, gap);
         if (!IS_UNDEFINED(strP)) {
           var member = %QuoteJSONString(p) + ":";
           if (gap != "") member += " ";
           member += strP;
           partial.push(member);
         }
       }
     }
   } else {
     for (var p in value) {
-      if (ObjectHasOwnProperty.call(value, p)) {
+      if (%_CallFunction(value, p, ObjectHasOwnProperty)) {
         var strP = JSONSerialize(p, value, replacer, stack, indent, gap);
         if (!IS_UNDEFINED(strP)) {
           var member = %QuoteJSONString(p) + ":";
           if (gap != "") member += " ";
           member += strP;
           partial.push(member);
         }
       }
     }
   }
@@ skipping 205 matching lines @@
 }
 
 function SetupJSON() {
   InstallFunctions($JSON, DONT_ENUM, $Array(
     "parse", JSONParse,
     "stringify", JSONStringify
   ));
 }
 
 SetupJSON();