--- old/src/hotspot/share/include/jvm.h	2019-09-04 11:45:59.000000000 -0700
+++ new/src/hotspot/share/include/jvm.h	2019-09-04 11:45:59.000000000 -0700
@@ -345,6 +345,11 @@
 JNIEXPORT jclass JNICALL
 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf);
 
+/*
+ * Link the 'arg' class (unless ClassForNameDeferLinking is set)
+ */
+JNIEXPORT void JNICALL
+JVM_LinkClass(JNIEnv *env, jclass classClass, jclass arg);
 
 /*
  * Find a class from a boot class loader. Returns NULL if class not found.