RFR: 8373266: Strengthen constant CardTable base accesses [v2]

[Aleksey Shipilev]

On Wed, 21 Jan 2026 13:28:39 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Looks good apart from minor nits (extra spaces). Sorry for taking so long.

No problem, thanks for looking! This is not urgent, one of those "safety in depth" fixes, really.

Refixed the PR after borked merge. Re-ran `hotspot_gc` without issues.

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PR Comment: https://git.openjdk.org/jdk/pull/28703#issuecomment-3779958493