--- a/src/hotspot/share/logging/logFileOutput.hpp	Thu Jan 10 17:08:44 2019 +0800
+++ b/src/hotspot/share/logging/logFileOutput.hpp	Thu Jan 17 08:48:11 2019 -0500
@@ -54,6 +54,7 @@
   uint  _current_file;
   uint  _file_count;
   uint  _file_count_max_digits;
+  bool  _is_default_file_count;
 
   size_t  _archive_name_len;
   size_t  _rotate_size;