--- old/src/hotspot/os/linux/osContainer_linux.hpp	2019-09-19 13:59:31.425453923 +0200
+++ new/src/hotspot/os/linux/osContainer_linux.hpp	2019-09-19 13:59:31.298453677 +0200
@@ -45,6 +45,8 @@
   static jlong memory_limit_in_bytes();
   static int active_processor_count();
   static void print_container_info(outputStream* st);
+
+  NOT_PRODUCT(static const char* cg_type();)
 };
 
 inline bool OSContainer::is_containerized() {