[jdk21u-dev] RFR: 8341862: PPC64: C1 unwind_handler fails to unlock synchronized methods with LM_MONITOR

[Richard Reingruber]

On Wed, 27 Nov 2024 11:00:25 GMT, Richard Reingruber <rrich at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit https://github.com/openjdk/jdk/commit/ed6809666b12b0de66f68d5e7e389dde1708aaf3 from the openjdk/jdk repository.
> 
> The commit being backported was authored by Richard Reingruber on 16 Oct 2024 and was reviewed by Martin Doerr and Matthias Baesken.
> 
> The risk of the backport is low. It's small and therefore obvious that only `LM_MONITOR` is handled differently which is experimental anyway. 
> 
> The fix passed our CI testing: JTReg tests: tier1-4 of hotspot and jdk. All of Langtools and jaxp. JCK, SPECjvm2008, SPECjbb2015, Renaissance Suite, and SAP specific tests.
> Testing was done with fastdebug builds on the main platforms and also on Linux/PPC64le and AIX.
> 
> Thanks, Richard.

Test failure is unrelated.


[build.sh][INFO] Downloading https://archive.apache.org/dist/ant/binaries/apache-ant-1.10.8-bin.zip to /home/runner/work/jdk21u-dev/jdk21u-dev/jtreg/src/make/../build/deps/apache-ant-1.10.8-bin.zip
Error: sh][ERROR] wget exited with exit code 4

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/1186#issuecomment-2514488635