[jdk21u] RFR: 8313901: [TESTBUG] test/hotspot/jtreg/compiler/codecache/CodeCacheFullCountTest.java fails with java.lang.VirtualMachineError

[Aleksey Shipilev]

Clean backport to stabilize test.

Additional testing:
 - [x] Affected test passes with 100+ repetitions

-------------

Commit messages:
 - Backport d1de3d082ef9b83aaa68664e653ab09feb8bad87

Changes: https://git.openjdk.org/jdk21u/pull/84/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=84&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8313901
  Stats: 6 lines in 1 file changed: 4 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk21u/pull/84.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/84/head:pull/84

PR: https://git.openjdk.org/jdk21u/pull/84