RFR: 8301340: Make DirtyCardToOopClosure stack-allocated

Mon Jan 30 11:11:59 UTC 2023

Simple change from resource-allocated to stack-allocated for a closure.

Test: hotspot_gc

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Commit messages:
 - dirty-card-closure

Changes: https://git.openjdk.org/jdk/pull/12291/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12291&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8301340
  Stats: 21 lines in 4 files changed: 0 ins; 18 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/12291.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12291/head:pull/12291

PR: https://git.openjdk.org/jdk/pull/12291