Fix bug with CHA dependencies by recording a set of classes for registering code.

runtime/vm/flow_graph_optimizer.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_OPTIMIZER_H_
 #define VM_FLOW_GRAPH_OPTIMIZER_H_
 
 #include "vm/intermediate_language.h"
 #include "vm/flow_graph.h"
 
@@ skipping 107 matching lines @@
                                      MethodRecognizer::Kind recognized_kind);
   bool TryInlineInt32x4Constructor(StaticCallInstr* call,
                                     MethodRecognizer::Kind recognized_kind);
   bool TryInlineFloat32x4Method(InstanceCallInstr* call,
                                 MethodRecognizer::Kind recognized_kind);
   bool TryInlineFloat64x2Method(InstanceCallInstr* call,
                                 MethodRecognizer::Kind recognized_kind);
   bool TryInlineInt32x4Method(InstanceCallInstr* call,
                                MethodRecognizer::Kind recognized_kind);
   void ReplaceWithInstanceOf(InstanceCallInstr* instr);
+  bool TypeCheckAsClassEquality(const AbstractType& type);
   void ReplaceWithTypeCast(InstanceCallInstr* instr);
 
   bool TryReplaceInstanceCallWithInline(InstanceCallInstr* call);
 
   LoadFieldInstr* BuildLoadStringLength(Definition* str);
 
   Definition* PrepareInlineStringIndexOp(Instruction* call,
                                          intptr_t cid,
                                          Definition* str,
                                          Definition* index,
@@ skipping 363 matching lines @@
 // Optimize spill stores inside try-blocks by identifying values that always
 // contain a single known constant at catch block entry.
 class TryCatchAnalyzer : public AllStatic {
  public:
   static void Optimize(FlowGraph* flow_graph);
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_OPTIMIZER_H_