Enable optimizer pipeline for DBC.

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 595 matching lines @@
     if (code_source_map_builder_ == NULL) {
       code_source_map_builder_ = new CodeSourceMapBuilder();
     }
     ASSERT(code_source_map_builder_ != NULL);
     return code_source_map_builder_;
   }
 
   void BeginCodeSourceRange();
   bool EndCodeSourceRange(TokenPosition token_pos);
 
+#if defined(TARGET_ARCH_DBC)
+  void RecordAfterCall(Instruction* instr);
+#endif
+
  private:
   friend class CheckStackOverflowSlowPath;  // For pending_deoptimization_env_.
 
   static bool ShouldInlineSmiStringHashCode(const ICData& ic_data);
 
   void EmitFrameEntry();
 
   void AddStaticCallTarget(const Function& function);
 
   void GenerateDeferredCode();
@@ skipping 194 matching lines @@
   const GrowableArray<const Function*>& inline_id_to_function_;
   const GrowableArray<TokenPosition>& inline_id_to_token_pos_;
   const GrowableArray<intptr_t>& caller_inline_id_;
 
   DISALLOW_COPY_AND_ASSIGN(FlowGraphCompiler);
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_COMPILER_H_