RFR: 8374570: Assertion failure in ClearArray.java with -XX:+EnableX86EcoreOpts [v2]

[Volodymyr Paprotski]

> Allow for a larger jump distance

Volodymyr Paprotski has updated the pull request incrementally with two additional commits since the last revision:

 - whitespace
 - add test

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Changes:
  - all: https://git.openjdk.org/jdk/pull/29070/files
  - new: https://git.openjdk.org/jdk/pull/29070/files/a4074e43..389393a7

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=29070&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=29070&range=00-01

  Stats: 37 lines in 1 file changed: 37 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/29070.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/29070/head:pull/29070

PR: https://git.openjdk.org/jdk/pull/29070