Fix two bugs in the code compaction:

src/mark-compact.cc

 // 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 2819 matching lines @@
   // Update pointer from the global contexts list.
   updating_visitor.VisitPointer(heap_->global_contexts_list_address());
 
   heap_->symbol_table()->Iterate(&updating_visitor);
 
   // Update pointers from external string table.
   heap_->UpdateReferencesInExternalStringTable(
       &UpdateReferenceInExternalStringTableEntry);
 
   // Update JSFunction pointers from the runtime profiler.
-  heap_->isolate()->runtime_profiler()->UpdateSamplesAfterScavenge();
+  heap()->isolate()->runtime_profiler()->UpdateSamplesAfterCompact(
+      &updating_visitor);
 
   EvacuationWeakObjectRetainer evacuation_object_retainer;
   heap()->ProcessWeakReferences(&evacuation_object_retainer);
 
 #ifdef DEBUG
   if (FLAG_verify_heap) {
     VerifyEvacuation(heap_);
   }
 #endif
 
@@ skipping 667 matching lines @@
   while (buffer != NULL) {
     SlotsBuffer* next_buffer = buffer->next();
     DeallocateBuffer(buffer);
     buffer = next_buffer;
   }
   *buffer_address = NULL;
 }
 
 
 } }  // namespace v8::internal