Complete implementation of bounds checking in the vm, by introducing a vm object

runtime/vm/intermediate_language.cc

 // Copyright (c) 2013, 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 1188 matching lines @@
   if (dst_type().IsInstantiated()) return this;
 
   ConstantInstr* constant_type_args =
       instantiator_type_arguments()->definition()->AsConstant();
   if (constant_type_args != NULL &&
       !constant_type_args->value().IsNull() &&
       constant_type_args->value().IsTypeArguments()) {
     const TypeArguments& instantiator_type_args =
         TypeArguments::Cast(constant_type_args->value());
     const AbstractType& new_dst_type = AbstractType::Handle(
-        dst_type().InstantiateFrom(instantiator_type_args));
+        dst_type().InstantiateFrom(instantiator_type_args, NULL));
     set_dst_type(AbstractType::ZoneHandle(new_dst_type.Canonicalize()));
     ConstantInstr* null_constant = new ConstantInstr(Object::ZoneHandle());
     // It is ok to insert instructions before the current during
     // forward iteration.
     optimizer->InsertBefore(this, null_constant, NULL, Definition::kValue);
     instantiator_type_arguments()->BindTo(null_constant);
   }
   return this;
 }
 
@@ skipping 1052 matching lines @@
     default:
       UNREACHABLE();
   }
   return kPowRuntimeEntry;
 }
 
 
 #undef __
 
 }  // namespace dart