Compress deopt instructions in memory using variable length encoding.

runtime/vm/flow_graph_compiler.h

 // 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.
 
 #ifndef VM_FLOW_GRAPH_COMPILER_H_
 #define VM_FLOW_GRAPH_COMPILER_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/code_descriptors.h"
@@ skipping 108 matching lines @@
                     Environment* deopt_env)
       : pc_offset_(-1),
         deopt_id_(deopt_id),
         reason_(reason),
         flags_(flags),
         deopt_env_(deopt_env) {
     ASSERT(deopt_env != NULL);
   }
   virtual ~CompilerDeoptInfo() { }
 
-  RawDeoptInfo* CreateDeoptInfo(FlowGraphCompiler* compiler,
+  RawTypedData* CreateDeoptInfo(FlowGraphCompiler* compiler,
                                 DeoptInfoBuilder* builder,
                                 const Array& deopt_table);
 
 
   // No code needs to be generated.
   virtual void GenerateCode(FlowGraphCompiler* compiler, intptr_t stub_ix) {}
 
   intptr_t pc_offset() const { return pc_offset_; }
   void set_pc_offset(intptr_t offset) { pc_offset_ = offset; }
 
@@ skipping 571 matching lines @@
   const Array* inlined_code_intervals_;
   const GrowableArray<const Function*>& inline_id_to_function_;
   const GrowableArray<intptr_t>& caller_inline_id_;
 
   DISALLOW_COPY_AND_ASSIGN(FlowGraphCompiler);
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_COMPILER_H_