Ensure that the passed in raw pointer is not used in SetRaw().

runtime/vm/object.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "vm/assembler.h"
 #include "vm/assert.h"
 #include "vm/bigint_operations.h"
 #include "vm/bootstrap.h"
@@ skipping 659 matching lines @@
   // TODO(iposva): Get a proper halt instruction from the assembler.
   uword address = heap->Allocate(size, space);
   NoGCScope no_gc;
   InitializeObject(address, size);
   RawObject* raw_obj = reinterpret_cast<RawObject*>(address + kHeapObjectTag);
   raw_obj->ptr()->class_ = cls.raw();
   return raw_obj;
 }
 
 
-#if defined(DEBUG)
-void Object::ValidateHeapObject(RawObject* raw_obj) {
-  uword addr = RawObject::ToAddr(raw_obj);
-  ASSERT(Isolate::Current()->heap()->Contains(addr) ||
-         Dart::vm_isolate()->heap()->Contains(addr));
-}
-#endif  // defined(DEBUG)
-
-
 RawString* Class::Name() const {
   if (raw_ptr()->name_ != String::null()) {
     return raw_ptr()->name_;
   }
   ASSERT(class_class() != null_);  // Or GetSingletonClassIndex will not work.
   intptr_t index = GetSingletonClassIndex(raw());
   return String::NewSymbol(GetSingletonClassName(index));
 }
 
 
@@ skipping 5586 matching lines @@
   const String& str = String::Handle(pattern());
   const char* format = "JSRegExp: pattern=%s flags=%s";
   intptr_t len = OS::SNPrint(NULL, 0, format, str.ToCString(), Flags());
   char* chars = reinterpret_cast<char*>(
       Isolate::Current()->current_zone()->Allocate(len + 1));
   OS::SNPrint(chars, (len + 1), format, str.ToCString(), Flags());
   return chars;
 }
 
 }  // namespace dart