On Wed, 20 May 2026 19:12:06 GMT, Chen Liang <[email protected]> wrote:
>> src/java.base/share/classes/jdk/internal/reflect/MethodHandleAccessorFactory.java >> line 123: >> >>> 121: * @throws UnsupportedOperationException if the constructor is not >>> from >>> 122: * a superclass, if the instantiated class is a value >>> class, or if >>> 123: * any superclass between the declaring class of the >>> constructor and >> >> The "any superclass" rule should apply to value classes too. >> >> (Here's how I described it in the serialization spec: "Then, in >> superclass-to-subclass order, starting with the first superclass that >> implements Serializable: if the class is a value class, or if it declares an >> instance field with the ACC_STRICT_INIT field modifier (see [JVMS >> 4.5](https://cr.openjdk.org/~dlsmith/jep401/jep401-20260518/specs/strict-fields-jvms.html#jvms-4.5)), >> an InvalidClassException is thrown.") > > Do you mean to reject any superclass that is an abstract value class here? Yes. Any value class, abstract or not, with fields or not, must have its instances initialized using a real constructor. ------------- PR Review Comment: https://git.openjdk.org/valhalla/pull/2350#discussion_r3277088701
