[jdk20] RFR: 8298968: G1: Incorrect merged remset stats

[Albert Mingkun Yang]

On Mon, 19 Dec 2022 12:57:15 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Simple fix about merged cards statistics.
> 
> Test: hotspot_gc

Thanks for review.

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PR: https://git.openjdk.org/jdk20/pull/53