RFR: 8286957: Held monitor count [v4]

[Robbin Ehn]

On Tue, 5 Jul 2022 13:50:21 GMT, Erik Österlund <eosterlund at openjdk.org> wrote:

> Looks good. We might however want the counter to be 64 bit so we don't have to think about overflows. I suppose nasty JNI code could lock the entire heap and then unlock it.

Thank you Erik.

I'll go head and change to 64-bit counter.

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PR: https://git.openjdk.org/jdk/pull/8945