--- old/src/hotspot/share/gc/g1/g1GCPhaseTimes.hpp	2019-12-16 22:38:19.104998700 +0900
+++ new/src/hotspot/share/gc/g1/g1GCPhaseTimes.hpp	2019-12-16 22:38:18.418656200 +0900
@@ -195,10 +195,10 @@
   void reset();
 
   template <class T>
-  void details(T* phase, const char* indent) const;
+  void details(T* phase, const char* indent_str) const;
 
   void log_work_items(WorkerDataArray<double>* phase, uint indent, outputStream* out) const;
-  void log_phase(WorkerDataArray<double>* phase, uint indent, outputStream* out, bool print_sum) const;
+  void log_phase(WorkerDataArray<double>* phase, uint indent_level, outputStream* out, bool print_sum) const;
   void debug_serial_phase(WorkerDataArray<double>* phase, uint extra_indent = 0) const;
   void debug_phase(WorkerDataArray<double>* phase, uint extra_indent = 0) const;
   void trace_phase(WorkerDataArray<double>* phase, bool print_sum = true, uint extra_indent = 0) const;