RFR: 8364004: Expose VMError::controlledCrash via Whitebox [v2]

[Thomas Stuefe]

> Small addition to the circle of WhiteBox functions to allow more controlled crashes triggered from jtreg tests.

Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:

  Feedback kim

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Changes:
  - all: https://git.openjdk.org/jdk/pull/26472/files
  - new: https://git.openjdk.org/jdk/pull/26472/files/c5542489..883affc1

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=26472&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=26472&range=00-01

  Stats: 7 lines in 2 files changed: 3 ins; 3 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/26472.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26472/head:pull/26472

PR: https://git.openjdk.org/jdk/pull/26472