[jdk21u-dev] RFR: 8311964: Some jtreg tests failing on x86 with error 'unrecognized VM options' (C2 flags)

[SendaoYan]

8311964: Some jtreg tests failing on x86 with error 'unrecognized VM options' (C2 flags)

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Commit messages:
 - Backport 024133b089d911dcc3ea70dfdaa6b150b14a9eb4

Changes: https://git.openjdk.org/jdk21u-dev/pull/279/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=279&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8311964
  Stats: 3 lines in 3 files changed: 3 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/279.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/279/head:pull/279

PR: https://git.openjdk.org/jdk21u-dev/pull/279