--- old/src/share/vm/prims/whitebox.cpp	2015-10-29 19:05:39.594947610 +0300
+++ new/src/share/vm/prims/whitebox.cpp	2015-10-29 19:05:39.462947612 +0300
@@ -1275,9 +1275,9 @@
   VMThread::execute(&force_safepoint_op);
 WB_END
 
-WB_ENTRY(long, WB_GetConstantPool(JNIEnv* env, jobject wb, jclass klass))
+WB_ENTRY(jlong, WB_GetConstantPool(JNIEnv* env, jobject wb, jclass klass))
   instanceKlassHandle ikh(java_lang_Class::as_Klass(JNIHandles::resolve(klass)));
-  return (long) ikh->constants();
+  return (jlong) ikh->constants();
 WB_END
 
 template <typename T>