Improve inlining of recognized methods in AOT.

runtime/vm/flow_graph_inliner.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_INLINER_H_
 #define VM_FLOW_GRAPH_INLINER_H_
 
 #include "vm/allocation.h"
 #include "vm/growable_array.h"
 
@@ skipping 34 matching lines @@
   static bool TryInlineRecognizedMethod(FlowGraph* flow_graph,
                                         intptr_t receiver_cid,
                                         const Function& target,
                                         Instruction* call,
                                         Definition* receiver,
                                         TokenPosition token_pos,
                                         const ICData& ic_data,
                                         TargetEntryInstr** entry,
                                         Definition** last);
 
+  bool use_speculative_inlining() const { return use_speculative_inlining_; }
+
  private:
   friend class CallSiteInliner;
 
   FlowGraph* flow_graph_;
   GrowableArray<const Function*>* inline_id_to_function_;
   GrowableArray<TokenPosition>* inline_id_to_token_pos_;
   GrowableArray<intptr_t>* caller_inline_id_;
   const bool trace_inlining_;
   const bool use_speculative_inlining_;
   GrowableArray<intptr_t>* inlining_black_list_;
 
   DISALLOW_COPY_AND_ASSIGN(FlowGraphInliner);
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_INLINER_H_