--- a/src/hotspot/share/services/writeableFlags.hpp	Mon Nov 05 12:27:38 2018 -0600
+++ b/src/hotspot/share/services/writeableFlags.hpp	Mon Nov 05 14:00:52 2018 -0500
@@ -52,6 +52,8 @@
   static JVMFlag::Error set_uint64_t_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
   // set a size_t global flag using value from AttachOperation
   static JVMFlag::Error set_size_t_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a double global flag using value from AttachOperation
+  static JVMFlag::Error set_double_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
   // set a boolean global flag
   static JVMFlag::Error set_bool_flag(const char* name, bool value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
   // set a int global flag
@@ -66,6 +68,8 @@
   static JVMFlag::Error set_uint64_t_flag(const char* name, uint64_t value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
   // set a size_t global flag using value from AttachOperation
   static JVMFlag::Error set_size_t_flag(const char* name, size_t value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a double global flag using value from AttachOperation
+  static JVMFlag::Error set_double_flag(const char* name, double value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
   // set a string global flag
   static JVMFlag::Error set_ccstr_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);