--- old/src/java.base/share/native/libjava/Class.c	2019-10-08 18:53:42.000000000 -0700
+++ new/src/java.base/share/native/libjava/Class.c	2019-10-08 18:53:42.000000000 -0700
@@ -59,6 +59,7 @@
     {"getSigners",       "()[" OBJ,         (void *)&JVM_GetClassSigners},
     {"setSigners",       "([" OBJ ")V",     (void *)&JVM_SetClassSigners},
     {"isArray",          "()Z",             (void *)&JVM_IsArrayClass},
+    {"isHiddenClass",    "()Z",             (void *)&JVM_IsHiddenClass},
     {"isPrimitive",      "()Z",             (void *)&JVM_IsPrimitiveClass},
     {"getModifiers",     "()I",             (void *)&JVM_GetClassModifiers},
     {"getDeclaredFields0","(Z)[" FLD,       (void *)&JVM_GetClassDeclaredFields},