--- old/src/hotspot/share/runtime/arguments.hpp	2019-03-12 10:52:37.730033742 -0400
+++ new/src/hotspot/share/runtime/arguments.hpp	2019-03-12 10:52:36.933986975 -0400
@@ -372,7 +372,7 @@
 
   // GC ergonomics
   static void set_conservative_max_heap_alignment();
-  static void set_use_compressed_oops();
+  static void set_use_compressed_oops(size_t heap_size);
   static void set_use_compressed_klass_ptrs();
   static jint set_ergonomics_flags();
   static void set_shared_spaces_flags();