Implement argument definition test in the vm.

runtime/vm/intermediate_language.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/intermediate_language.h"
 
 #include "vm/bit_vector.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_allocator.h"
 #include "vm/flow_graph_builder.h"
@@ skipping 720 matching lines @@
   }
   return dst_type().raw();
 }
 
 
 RawAbstractType* AssertBooleanComp::CompileType() const {
   return Type::BoolType();
 }
 
 
+RawAbstractType* ArgumentDefinitionTestComp::CompileType() const {
+  return Type::BoolType();
+}
+
+
 RawAbstractType* CurrentContextComp::CompileType() const {
   return AbstractType::null();
 }
 
 
 RawAbstractType* StoreContextComp::CompileType() const {
   return AbstractType::null();
 }
 
 
@@ skipping 772 matching lines @@
     value->set_use_index(i);
     value->AddToEnvUseList();
   }
   instr->set_env(copy);
 }
 
 
 #undef __
 
 }  // namespace dart