Precompilation: drop unused types and type arguments and empty classes and libraries.

runtime/vm/class_table.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/class_table.h"
 #include "vm/flags.h"
 #include "vm/freelist.h"
 #include "vm/growable_array.h"
 #include "vm/heap.h"
 #include "vm/object.h"
@@ skipping 162 matching lines @@
   }
   ASSERT(table_[index] == 0);
   cls.set_id(index);
   table_[index] = cls.raw();
   if (index >= top_) {
     top_ = index + 1;
   }
 }
 
 
+#if defined(DEBUG)
+void ClassTable::Unregister(intptr_t index) {
+  table_[index] = 0;
+}
+#endif
+
+
 void ClassTable::VisitObjectPointers(ObjectPointerVisitor* visitor) {
   ASSERT(visitor != NULL);
   visitor->VisitPointers(reinterpret_cast<RawObject**>(&table_[0]), top_);
 }
 
 
 void ClassTable::Validate() {
   Class& cls = Class::Handle();
   for (intptr_t i = kNumPredefinedCids; i < top_; i++) {
     // Some of the class table entries maybe NULL as we create some
@@ skipping 349 matching lines @@
 
 void ClassTable::UpdateLiveNew(intptr_t cid, intptr_t size) {
   ClassHeapStats* stats = PreliminaryStatsAt(cid);
   ASSERT(stats != NULL);
   ASSERT(size >= 0);
   stats->post_gc.AddNew(size);
 }
 
 
 }  // namespace dart