RFR: 8323243: JNI invocation of an abstract instance method corrupts the stack [v2]

[David Holmes]

On Wed, 10 Jan 2024 15:25:30 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> test/hotspot/jtreg/runtime/jni/abstractMethod/TestJNIAbstractMethod.java line 51:
>> 
>>> 49: 
>>> 50:     public static void main(String[] args) {
>>> 51:         AbstractMethod obj = new AbstractMethod();
>> 
>> So this doesn't result in an exception when you new this class?  Can you call this AbstractMethodClass or something like that?
>
> It would also be good to have a positive test here: calling the method from plain Java should throw AME as well.

The class itself is not marked abstract so you can create instances of it. The VM spec does not require that a non-abstract class have no abstract methods.

I have renamed to `AbstractMethodClass`.

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PR Review Comment: https://git.openjdk.org/jdk/pull/17337#discussion_r1448031844