When checking against non-parametrized types use a cache to hold result tuples (class, result). Tha…

runtime/vm/code_patcher.h

 // Copyright (c) 2011, 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.
 // Class for patching compiled code.
 
 #ifndef VM_CODE_PATCHER_H_
 #define VM_CODE_PATCHER_H_
 
 #include "vm/allocation.h"
 
@@ skipping 39 matching lines @@
   // Get instance call information.
   static void GetInstanceCallAt(uword return_address,
                                 String* function_name,
                                 int* num_arguments,
                                 int* num_named_arguments,
                                 uword* target);
 
   static RawICData* GetInstanceCallIcDataAt(uword return_address);
 
   static intptr_t InstanceCallSizeInBytes();
+
+  static RawArray* GetTypeTestArray(uword instruction_address);
+  static void SetTypeTestArray(uword instruction_address, const Array& value);
 };
 
 }  // namespace dart
 
 #endif  // VM_CODE_PATCHER_H_