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

*** 181,11 ***
                                  method.getModifiers());
      }
  
      public ConstructorAccessor newConstructorAccessor(Constructor<?> c) {
          Class<?> declaringClass = c.getDeclaringClass();
!         if (Modifier.isAbstract(declaringClass.getModifiers())) {
              return new InstantiationExceptionConstructorAccessorImpl(null);
          }
          if (declaringClass == Class.class) {
              return new InstantiationExceptionConstructorAccessorImpl
                  ("Can not instantiate java.lang.Class");
--- 181,11 ---
                                  method.getModifiers());
      }
  
      public ConstructorAccessor newConstructorAccessor(Constructor<?> c) {
          Class<?> declaringClass = c.getDeclaringClass();
!         if (Modifier.isAbstract(declaringClass.getModifiers()) && declaringClass != Object.class) {
              return new InstantiationExceptionConstructorAccessorImpl(null);
          }
          if (declaringClass == Class.class) {
              return new InstantiationExceptionConstructorAccessorImpl
                  ("Can not instantiate java.lang.Class");