A64: Synchronize with r16489.

src/hydrogen-escape-analysis.h

Index: src/hydrogen-escape-analysis.h
diff --git a/src/hydrogen-escape-analysis.h b/src/hydrogen-escape-analysis.h
index 2d425e2ecd692e4831cd2c802fd0e597881b3f7c..639f5a939609f38e43bf3cff82f75bc25cf7331c 100644
--- a/src/hydrogen-escape-analysis.h
+++ b/src/hydrogen-escape-analysis.h
@@ -52,7 +52,7 @@ class HEscapeAnalysisPhase : public HPhase {
 
  private:
   void CollectCapturedValues();
-  void CollectIfNoEscapingUses(HInstruction* instr);
+  bool HasNoEscapingUses(HValue* value);
   void PerformScalarReplacement();
   void AnalyzeDataFlow(HInstruction* instr);
 
@@ -63,6 +63,8 @@ class HEscapeAnalysisPhase : public HPhase {
 
   HPhi* NewPhiAndInsert(HBasicBlock* block, HValue* incoming_value, int index);
 
+  HValue* NewMapCheckAndInsert(HCapturedObject* state, HCheckMaps* mapcheck);
+
   HCapturedObject* StateAt(HBasicBlock* block) {
     return block_states_.at(block->block_id());
   }