RFR: 8271880: Tighten condition for excluding regions from collecting cards with cross-references [v11]

[Stefan Johansson]

On Tue, 21 Sep 2021 08:45:55 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> I will first revert the faulty JDK-8270842, then add the API, then add the G1 specific code if you prefer.

Sounds good to me.

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PR: https://git.openjdk.java.net/jdk/pull/5037