--- old/src/hotspot/share/prims/jniCheck.hpp	2019-10-01 09:37:37.488455261 -0400
+++ new/src/hotspot/share/prims/jniCheck.hpp	2019-10-01 09:37:37.216448134 -0400
@@ -52,7 +52,7 @@
   static void validate_class_descriptor(JavaThread* thr, const char* name);
   static void validate_throwable_klass(JavaThread* thr, Klass* klass);
   static void validate_call_object(JavaThread* thr, jobject obj, jmethodID method_id);
-  static void validate_call_class(JavaThread* thr, jclass clazz, jmethodID method_id);
+  static void validate_call_class(JavaThread* thr, jclass clazz, jmethodID method_id, jobject obj = NULL);
   static Method* validate_jmethod_id(JavaThread* thr, jmethodID method_id);
 };