Don't exchange null and undefined with the global object in function.prototype.{call, apply} for ...

src/v8natives.js

Index: src/v8natives.js
===================================================================
--- src/v8natives.js	(revision 7676)
+++ src/v8natives.js	(working copy)
@@ -208,12 +208,20 @@
 
 // ECMA-262 - 15.2.4.2
 function ObjectToString() {
+  if (IS_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
+    return '[object Undefined]';
+  }
+  if (IS_NULL(this)) return  '[object Null]';
   return "[object " + %_ClassOf(ToObject(this)) + "]";
 }
 
 
 // ECMA-262 - 15.2.4.3
 function ObjectToLocaleString() {
+  if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
+    throw MakeTypeError("called_on_null_or_undefined",
+                        ["Object.prototype.toLocaleString"]);
+  }
   return this.toString();
 }
 
@@ -232,6 +240,10 @@
 
 // ECMA-262 - 15.2.4.6
 function ObjectIsPrototypeOf(V) {
+  if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
+    throw MakeTypeError("called_on_null_or_undefined",
+                        ["Object.prototype.isPrototypeOf"]);
+  }
   if (!IS_SPEC_OBJECT(V)) return false;
   return %IsInPrototypeChain(this, V);
 }
@@ -1062,6 +1074,10 @@
 
 // ECMA-262 section 15.7.4.3
 function NumberToLocaleString() {
+  if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
+    throw MakeTypeError("called_on_null_or_undefined",
+                        ["Number.prototype.toLocaleString"]);
+  }
   return this.toString();
 }
 
@@ -1082,6 +1098,10 @@
   if (f < 0 || f > 20) {
     throw new $RangeError("toFixed() digits argument must be between 0 and 20");
   }
+  if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
+    throw MakeTypeError("called_on_null_or_undefined",
+                        ["Number.prototype.toFixed"]);
+  }
   var x = ToNumber(this);
   return %NumberToFixed(x, f);
 }
@@ -1096,6 +1116,10 @@
       throw new $RangeError("toExponential() argument must be between 0 and 20");
     }
   }
+  if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
+    throw MakeTypeError("called_on_null_or_undefined",
+                        ["Number.prototype.toExponential"]);
+  }
   var x = ToNumber(this);
   return %NumberToExponential(x, f);
 }
@@ -1103,6 +1127,10 @@
 
 // ECMA-262 section 15.7.4.7
 function NumberToPrecision(precision) {
+  if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
+    throw MakeTypeError("called_on_null_or_undefined",
+                        ["Number.prototype.toPrecision"]);
+  }
   if (IS_UNDEFINED(precision)) return ToString(%_ValueOf(this));
   var p = TO_INTEGER(precision);
   if (p < 1 || p > 21) {