Remove obsolete stack trace string in a message object.

src/objects-debug.cc

 // Copyright 2012 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 472 matching lines @@
 
 
 void JSMessageObject::JSMessageObjectVerify() {
   CHECK(IsJSMessageObject());
   CHECK(type()->IsString());
   CHECK(arguments()->IsJSArray());
   VerifyObjectField(kStartPositionOffset);
   VerifyObjectField(kEndPositionOffset);
   VerifyObjectField(kArgumentsOffset);
   VerifyObjectField(kScriptOffset);
-  VerifyObjectField(kStackTraceOffset);
   VerifyObjectField(kStackFramesOffset);
 }
 
 
 void String::StringVerify() {
   CHECK(IsString());
   CHECK(length() >= 0 && length() <= Smi::kMaxValue);
   if (IsInternalizedString()) {
     CHECK(!GetHeap()->InNewSpace(this));
   }
@@ skipping 647 matching lines @@
   for (int i = 0; i < number_of_transitions(); ++i) {
     if (!CheckOneBackPointer(current_map, GetTarget(i))) return false;
   }
   return true;
 }
 
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal