src/java.base/share/classes/jdk/internal/reflect/NativeMethodAccessorImpl.java

*** 23,35 ****
   * questions.
   */
  
  package jdk.internal.reflect;
  
- import java.lang.reflect.*;
  import sun.reflect.misc.ReflectUtil;
  
  /** Used only for the first few invocations of a Method; afterward,
      switches to bytecode-based implementation */
  
  class NativeMethodAccessorImpl extends MethodAccessorImpl {
      private final Method method;
--- 23,36 ----
   * questions.
   */
  
  package jdk.internal.reflect;
  
  import sun.reflect.misc.ReflectUtil;
  
+ import java.lang.reflect.*;
+ 
  /** Used only for the first few invocations of a Method; afterward,
      switches to bytecode-based implementation */
  
  class NativeMethodAccessorImpl extends MethodAccessorImpl {
      private final Method method;
*** 45,54 ****
--- 46,56 ----
      {
          // We can't inflate methods belonging to vm-anonymous classes because
          // that kind of class can't be referred to by name, hence can't be
          // found from the generated bytecode.
          if (++numInvocations > ReflectionFactory.inflationThreshold()
+                 && !method.getDeclaringClass().isHiddenClass()
                  && !ReflectUtil.isVMAnonymousClass(method.getDeclaringClass())) {
              MethodAccessorImpl acc = (MethodAccessorImpl)
                  new MethodAccessorGenerator().
                      generateMethod(method.getDeclaringClass(),
                                     method.getName(),