src/java.base/share/classes/java/lang/reflect/AccessibleObject.java

*** 282,308 ****
      }
  
      private boolean checkCanSetAccessible(Class<?> caller,
                                            Class<?> declaringClass,
                                            boolean throwExceptionIfDenied) {
-         Module callerModule = caller.getModule();
-         Module declaringModule = declaringClass.getModule();
- 
-         if (callerModule == declaringModule) return true;
-         if (callerModule == Object.class.getModule()) return true;
-         if (!declaringModule.isNamed()) return true;
- 
-         String pn = declaringClass.getPackageName();
          int modifiers;
          if (this instanceof Executable) {
              modifiers = ((Executable) this).getModifiers();
          } else {
              modifiers = ((Field) this).getModifiers();
          }
  
          // class is public and package is exported to caller
          boolean isClassPublic = Modifier.isPublic(declaringClass.getModifiers());
          if (isClassPublic && declaringModule.isExported(pn, callerModule)) {
              // member is public
              if (Modifier.isPublic(modifiers)) {
                  logIfExportedForIllegalAccess(caller, declaringClass);
                  return true;
--- 282,315 ----
      }
  
      private boolean checkCanSetAccessible(Class<?> caller,
                                            Class<?> declaringClass,
                                            boolean throwExceptionIfDenied) {
          int modifiers;
          if (this instanceof Executable) {
              modifiers = ((Executable) this).getModifiers();
          } else {
              modifiers = ((Field) this).getModifiers();
          }
  
+         // does not allow to suppress access check for Value class's
+         // constructor or field
+         if (declaringClass.isValue()) {
+             if (this instanceof Constructor) return false;
+             if (this instanceof Field && Modifier.isFinal(modifiers)) return false;
+         }
+ 
+         Module callerModule = caller.getModule();
+         Module declaringModule = declaringClass.getModule();
+ 
+         if (callerModule == declaringModule) return true;
+         if (callerModule == Object.class.getModule()) return true;
+         if (!declaringModule.isNamed()) return true;
+ 
          // class is public and package is exported to caller
          boolean isClassPublic = Modifier.isPublic(declaringClass.getModifiers());
+         String pn = declaringClass.getPackageName();
          if (isClassPublic && declaringModule.isExported(pn, callerModule)) {
              // member is public
              if (Modifier.isPublic(modifiers)) {
                  logIfExportedForIllegalAccess(caller, declaringClass);
                  return true;