[jdk21u] RFR: 8317987: C2 recompilations cause high memory footprint

[Thomas Stuefe]

Fix memory footprint issue. Applies cleanly.

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Commit messages:
 - Backport c88b387881a6e9206f9804b4ca966334c65c008a

Changes: https://git.openjdk.org/jdk21u/pull/251/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=251&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8317987
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u/pull/251.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/251/head:pull/251

PR: https://git.openjdk.org/jdk21u/pull/251