Inline indexed load and store of typed array float64.

runtime/vm/flow_graph_optimizer.h

Index: runtime/vm/flow_graph_optimizer.h
===================================================================
--- runtime/vm/flow_graph_optimizer.h	(revision 13622)
+++ runtime/vm/flow_graph_optimizer.h	(working copy)
@@ -44,7 +44,10 @@
                     Definition::UseKind use_kind);
 
  private:
-  bool TryReplaceWithArrayOp(InstanceCallInstr* call, Token::Kind op_kind);
+  Value* PrepareIndexedOp(InstanceCallInstr* call, intptr_t class_id);
+  bool TryReplaceWithStoreIndexed(InstanceCallInstr* call);
+  bool TryReplaceWithLoadIndexed(InstanceCallInstr* call);
+
   bool TryReplaceWithBinaryOp(InstanceCallInstr* call, Token::Kind op_kind);
   bool TryReplaceWithUnaryOp(InstanceCallInstr* call, Token::Kind op_kind);