[jdk17u-dev] RFR: 8305711: Arm: C2 always enters slowpath for monitorexit

[Thomas Stuefe]

Backporting this to make java on Arm faster.

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Commit messages:
 - Backport c67bbcea92919fea9b6f7bbcde8ba4488289d174

Changes: https://git.openjdk.org/jdk17u-dev/pull/1237/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1237&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8305711
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1237.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1237/head:pull/1237

PR: https://git.openjdk.org/jdk17u-dev/pull/1237