Version 3.3.5

src/v8natives.js

Index: src/v8natives.js
diff --git a/src/v8natives.js b/src/v8natives.js
index 4fcf0ac481c3158e4318bbb4696bde4ac340817c..7a4be276d72f1af93e4c2cfa95e8956acfb429db 100644
--- a/src/v8natives.js
+++ b/src/v8natives.js
@@ -208,12 +208,20 @@ $Object.prototype.constructor = $Object;
 
 // 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 @@ function ObjectHasOwnProperty(V) {
 
 // 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 @@ function NumberToString(radix) {
 
 // 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 @@ function NumberToFixed(fractionDigits) {
   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 @@ function NumberToExponential(fractionDigits) {
       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 @@ function NumberToExponential(fractionDigits) {
 
 // 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) {