[jdk17u-dev] RFR: 8282642: vmTestbase/gc/gctests/LoadUnloadGC2/LoadUnloadGC2.java fails intermittently with exit code 1

[Goetz Lindenmaier]

I backport this for parity with 17.0.6-oracle.

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Commit messages:
 - Backport 7db5abddd126db388b1a7f89be258e8aa7104da7

Changes: https://git.openjdk.org/jdk17u-dev/pull/759/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=759&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8282642
  Stats: 18 lines in 1 file changed: 12 ins; 0 del; 6 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/759.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/759/head:pull/759

PR: https://git.openjdk.org/jdk17u-dev/pull/759