RFR: 8295402: G1: Tighten assertion in G1ScanHRForRegionClosure::scan_heap_roots

Mon Oct 17 10:17:58 UTC 2022

Simple change of asserting the to-be-scanned card is strictly dirty.

Test: tier1-6

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Commit messages:
 - g1-assert-card-dirty

Changes: https://git.openjdk.org/jdk/pull/10725/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10725&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8295402
  Stats: 6 lines in 1 file changed: 5 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/10725.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10725/head:pull/10725

PR: https://git.openjdk.org/jdk/pull/10725