[lworld] RFR: Jdk 8367608

[Sergey Kuksenko]

8367608: [lworld] Update/reimplement valhalla benchmarks for JEP 401
(build issue fixed)

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Commit messages:
 - fix the issue with case insensitive file systems on Windows and MacOS
 - fix whitespaces
 - 8367608: [lworld] Update/reimplement valhalla benchmarks for JEP 401

Changes: https://git.openjdk.org/valhalla/pull/1589/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=1589&range=00
  Stats: 55472 lines in 331 files changed: 20835 ins; 34556 del; 81 mod
  Patch: https://git.openjdk.org/valhalla/pull/1589.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1589/head:pull/1589

PR: https://git.openjdk.org/valhalla/pull/1589