[jdk17u-dev] RFR: 8283849: AsyncGetCallTrace may crash JVM on guarantee

[Jaroslav Bachorik]

The backport is applied mainly cleanly with only minor adjustments required.

The change is split into the backport commit and the adjustments commit (https://github.com/openjdk/jdk17u-dev/pull/402/commits/abd2fa131ecf270c248a1b30d00e0ef8d684d8be)

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Commit messages:
 - Fix backport and merge conflict
 - 8283849: AsyncGetCallTrace may crash JVM on guarantee

Changes: https://git.openjdk.java.net/jdk17u-dev/pull/402/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=402&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8283849
  Stats: 20 lines in 4 files changed: 17 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk17u-dev/pull/402.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u-dev pull/402/head:pull/402

PR: https://git.openjdk.java.net/jdk17u-dev/pull/402