[crac] RFR: 8367975: [CRaC] Pattern in CRaCCheckpointTo [v6]

[Radim Vansa]

> Add support for pattern in `CRaCCheckpointTo` VM option.

Radim Vansa has updated the pull request incrementally with two additional commits since the last revision:

 - Review comments
 - Fix build & test

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Changes:
  - all: https://git.openjdk.org/crac/pull/264/files
  - new: https://git.openjdk.org/crac/pull/264/files/d5f1cc35..fea2f6d8

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=crac&pr=264&range=05
 - incr: https://webrevs.openjdk.org/?repo=crac&pr=264&range=04-05

  Stats: 45 lines in 6 files changed: 18 ins; 4 del; 23 mod
  Patch: https://git.openjdk.org/crac/pull/264.diff
  Fetch: git fetch https://git.openjdk.org/crac.git pull/264/head:pull/264

PR: https://git.openjdk.org/crac/pull/264