Fix Error.prototype.toString to throw TypeError.

test/mjsunit/function-call.js

 // Copyright 2011 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 50 matching lines @@
      String.prototype.replace,
      String.prototype.search,
      String.prototype.slice,
      String.prototype.split,
      String.prototype.substring,
      String.prototype.toLowerCase,
      String.prototype.toLocaleLowerCase,
      String.prototype.toUpperCase,
      String.prototype.toLocaleUpperCase,
      String.prototype.trim,
-     Number.prototype.toLocaleString,
-     Error.prototype.toString];
+     Number.prototype.toLocaleString];
 
 // Non generic natives do not work on any input other than the specific
 // type, but since this change will allow call to be invoked with undefined
 // or null as this we still explicitly test that we throw on these here.
 var non_generic =
     [Array.prototype.toString,
      Array.prototype.toLocaleString,
      Function.prototype.toString,
      Function.prototype.call,
      Function.prototype.apply,
@@ skipping 44 matching lines @@
      Date.prototype.setUTCDate,
      Date.prototype.setMonth,
      Date.prototype.setUTCMonth,
      Date.prototype.setFullYear,
      Date.prototype.setUTCFullYear,
      Date.prototype.toUTCString,
      Date.prototype.toISOString,
      Date.prototype.toJSON,
      RegExp.prototype.exec,
      RegExp.prototype.test,
-     RegExp.prototype.toString];
+     RegExp.prototype.toString,
+     Error.prototype.toString];
 
 
 // Mapping functions.
 var mapping_functions =
     [Array.prototype.every,
      Array.prototype.some,
      Array.prototype.forEach,
      Array.prototype.map,
      Array.prototype.filter];
 
@@ skipping 202 matching lines @@
   }
 }
 
 
 // Object.prototype.toString()
 assertEquals(Object.prototype.toString.call(null),
              '[object Null]')
 
 assertEquals(Object.prototype.toString.call(undefined),
              '[object Undefined]')