[jdk17u-dev] RFR: 8304683: Memory leak in WB_IsMethodCompatible

[Goetz Lindenmaier]

I backport this for parity with 17.0.8-oracle.

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Commit messages:
 - Backport 760c0128a4ef787c8c8addb26894c072ba8b2eb1

Changes: https://git.openjdk.org/jdk17u-dev/pull/1266/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1266&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8304683
  Stats: 4 lines in 1 file changed: 0 ins; 1 del; 3 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1266.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1266/head:pull/1266

PR: https://git.openjdk.org/jdk17u-dev/pull/1266