RFR: CODETOOLS-7903018: jcstress: Add more Read-Modify-Write examples [v2]

[Aleksey Shipilev]

> These are long time coming.

Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:

 - More RMW examples work
 - Merge branch 'master' into rmw-examples
 - RMW examples

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Changes:
  - all: https://git.openjdk.java.net/jcstress/pull/92/files
  - new: https://git.openjdk.java.net/jcstress/pull/92/files/963162ec..8e321f30

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jcstress&pr=92&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jcstress&pr=92&range=00-01

  Stats: 501 lines in 12 files changed: 365 ins; 113 del; 23 mod
  Patch: https://git.openjdk.java.net/jcstress/pull/92.diff
  Fetch: git fetch https://git.openjdk.java.net/jcstress pull/92/head:pull/92

PR: https://git.openjdk.java.net/jcstress/pull/92