[jdk25u-dev] RFR: 8369505: jhsdb jstack cannot handle continuation stub [v4]

[David Briemann]

> This pull request contains a backport of commit [16539998](https://github.com/openjdk/jdk/commit/1653999871c8d7b1e61b44f8525e09b2cd0bdb6b) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Yasumasa Suenaga on 16 Oct 2025 and was reviewed by Chris Plummer and Patricio Chilano Mateo.
> 
> To make this backport work further commits needed to be backported:
> [JDK-8370201](https://bugs.openjdk.org/browse/JDK-8370201)
> [JDK-8370036](https://bugs.openjdk.org/browse/JDK-8370036)
> Both contain fixes to the test introduced by the backported commit.
> 
> Also this backport includes another commit:
> [JDK-8370240](https://bugs.openjdk.org/browse/JDK-8370240)
> This fixes the same issue as the original commit but for the PPC platform.
> 
> A manual fix was needed because newer versions of the JDK use the name "continuation stubs" but in the older version the name was "continuationstubs".

David Briemann has updated the pull request incrementally with one additional commit since the last revision:

  newer version of JDK use "continuation stubs"

-------------

Changes:
  - all: https://git.openjdk.org/jdk25u-dev/pull/23/files
  - new: https://git.openjdk.org/jdk25u-dev/pull/23/files/6fb603c0..205f5315

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk25u-dev&pr=23&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk25u-dev&pr=23&range=02-03

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk25u-dev/pull/23.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u-dev.git pull/23/head:pull/23

PR: https://git.openjdk.org/jdk25u-dev/pull/23