AOT: Reassign class ids so class hierarchies have contiguous ranges.

runtime/vm/raw_object.cc

 // Copyright (c) 2012, 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/raw_object.h"
 
 #include "vm/become.h"
 #include "vm/class_table.h"
 #include "vm/dart.h"
 #include "vm/freelist.h"
@@ skipping 619 matching lines @@
 intptr_t RawContextScope::VisitContextScopePointers(
     RawContextScope* raw_obj, ObjectPointerVisitor* visitor) {
   intptr_t num_variables = raw_obj->ptr()->num_variables_;
   visitor->VisitPointers(raw_obj->from(), raw_obj->to(num_variables));
   return ContextScope::InstanceSize(num_variables);
 }
 
 
 intptr_t RawICData::VisitICDataPointers(RawICData* raw_obj,
                                         ObjectPointerVisitor* visitor) {
-  // Make sure that we got here with the tagged pointer as this.
   visitor->VisitPointers(raw_obj->from(), raw_obj->to());
   return ICData::InstanceSize();
 }
 
 
 intptr_t RawMegamorphicCache::VisitMegamorphicCachePointers(
     RawMegamorphicCache* raw_obj,
     ObjectPointerVisitor* visitor) {
   visitor->VisitPointers(raw_obj->from(), raw_obj->to());
   return MegamorphicCache::InstanceSize();
@@ skipping 303 matching lines @@
 intptr_t RawUserTag::VisitUserTagPointers(
     RawUserTag* raw_obj, ObjectPointerVisitor* visitor) {
   // Make sure that we got here with the tagged pointer as this.
   ASSERT(raw_obj->IsHeapObject());
   visitor->VisitPointers(raw_obj->from(), raw_obj->to());
   return UserTag::InstanceSize();
 }
 
 
 }  // namespace dart