RFR: 8303969: Limit printed failures within an object during G1 heap verification

[Thomas Schatzl]

Hi all,

  please review this change to limit per-object liveness and remembered set error printing by `G1MaxVerifyFailures` too to avoid filling the log/disk when there is a large object that has many failures.

Testing: local compilation, local verification getting less error output on verification failure on humongous objects

Thanks,
  Thomas

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Commit messages:
 - Limit logged failures within an object too

Changes: https://git.openjdk.org/jdk/pull/12977/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12977&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8303969
  Stats: 6 lines in 2 files changed: 5 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/12977.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12977/head:pull/12977

PR: https://git.openjdk.org/jdk/pull/12977