RFR: JDK-8268088: Clarify Method::clear_jmethod_ids() related comments in ClassLoaderData::~ClassLoaderData() [v2]

Tue Jun 8 21:27:21 UTC 2021

On Tue, 8 Jun 2021 21:00:35 GMT, Ioi Lam <iklam at openjdk.org> wrote:

> Today's JNI implementation in HotSpot does not in any way tolerate such invalid jmethodIDs. If an invalid jmethodID is passed to any APIs declared in jni.h, the VM will crash immediately. Please see [JDK-8268406](https://bugs.openjdk.java.net/browse/JDK-8268406) for more details.
> 
> It's only JVMTI that tolerates invalid jmethodIDs.

Thanks for checking into that! That narrows the issue, which is good.

I also created [JDK-8268416](https://bugs.openjdk.java.net/browse/JDK-8268416) for clarifying the spec.

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PR: https://git.openjdk.java.net/jdk/pull/4383