[jdk17u] RFR: 8271490: [ppc] [s390]: Crash in JavaThread::pd_get_top_frame_for_profiling

[Lutz Schmidt]

Hi all,

this pull request contains a backport of commit 276b07b3 from the openjdk/jdk repository. The issue fixed in openjdk/jdk does exist in jdk17u as well.

The commit being backported was authored by Lutz Schmidt on 30 Aug 2021 and was reviewed by Thomas Stuefe and Matthias Baesken.

Thanks!

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Commit messages:
 - Backport 276b07b36af01d339e48baada7a512451fe34afe

Changes: https://git.openjdk.java.net/jdk17u/pull/68/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u&pr=68&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8271490
  Stats: 105 lines in 4 files changed: 76 ins; 12 del; 17 mod
  Patch: https://git.openjdk.java.net/jdk17u/pull/68.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u pull/68/head:pull/68

PR: https://git.openjdk.java.net/jdk17u/pull/68