Rename IS_SPEC_OBJECT macro to IS_RECEIVER.

src/js/messages.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // -------------------------------------------------------------------
 
 (function(global, utils) {
 
 %CheckIsBootstrapping();
 
@@ skipping 125 matching lines @@
       case 'int8x16':   return %_Call(Int8x16ToString, obj);
       case 'uint32x4':   return %_Call(Uint32x4ToString, obj);
       case 'uint16x8':   return %_Call(Uint16x8ToString, obj);
       case 'uint8x16':   return %_Call(Uint8x16ToString, obj);
       case 'bool32x4':  return %_Call(Bool32x4ToString, obj);
       case 'bool16x8':  return %_Call(Bool16x8ToString, obj);
       case 'bool8x16':  return %_Call(Bool8x16ToString, obj);
     }
   }
 
-  if (IS_SPEC_OBJECT(obj)) {
+  if (IS_RECEIVER(obj)) {
     // When internally formatting error objects, use a side-effects-free version
     // of Error.prototype.toString independent of the actually installed
     // toString method.
     if (IsErrorObject(obj) ||
         %GetDataProperty(obj, "toString") === ErrorToString) {
       return %_Call(NoSideEffectsErrorToString, obj);
     }
 
     if (%GetDataProperty(obj, "toString") === ObjectToString) {
       var constructor = %GetDataProperty(obj, "constructor");
@@ skipping 775 matching lines @@
 GlobalRangeError = SetUpError(global.RangeError);
 GlobalReferenceError = SetUpError(global.ReferenceError);
 GlobalSyntaxError = SetUpError(global.SyntaxError);
 GlobalTypeError = SetUpError(global.TypeError);
 GlobalURIError = SetUpError(global.URIError);
 
 utils.InstallFunctions(GlobalError.prototype, DONT_ENUM,
                        ['toString', ErrorToString]);
 
 function ErrorToString() {
-  if (!IS_SPEC_OBJECT(this)) {
+  if (!IS_RECEIVER(this)) {
     throw MakeTypeError(kCalledOnNonObject, "Error.prototype.toString");
   }
 
   var name = this.name;
   name = IS_UNDEFINED(name) ? "Error" : TO_STRING(name);
 
   var message = this.message;
   message = IS_UNDEFINED(message) ? "" : TO_STRING(message);
 
   if (name == "") return message;
@@ skipping 53 matching lines @@
 utils.Export(function(to) {
   to.ErrorToString = ErrorToString;
   to.MakeError = MakeError;
   to.MakeRangeError = MakeRangeError;
   to.MakeSyntaxError = MakeSyntaxError;
   to.MakeTypeError = MakeTypeError;
   to.MakeURIError = MakeURIError;
 });
 
 });