[jdk21u-dev] RFR: 8337851: Some tests have name which confuse jtreg

[toshiogata]

Hi all,

I would like to backport this patch as the reported jtreg issue is reproducible in JDK21.
The original patch applies cleanly.
Testing: the related tests with "-retain:all" option, and all tests under tools/javac 

Thank you.

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Commit messages:
 - Backport e6698f51a1977d553ce4e1dd14b43b0d325224fa

Changes: https://git.openjdk.org/jdk21u-dev/pull/1106/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1106&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8337851
  Stats: 0 lines in 4 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1106.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1106/head:pull/1106

PR: https://git.openjdk.org/jdk21u-dev/pull/1106