8333542: Breakpoint in parallel code does not work

[MBaesken]

Backport of
8333542

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8333542 needs maintainer approval

Issue

• JDK-8333542: Breakpoint in parallel code does not work (Bug - P3)

Reviewers

• Lutz Schmidt (@RealLucy - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/823/head:pull/823
$ git checkout pull/823

Update a local copy of the PR:
$ git checkout pull/823
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/823/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 823

View PR using the GUI difftool:
$ git pr show -t 823

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u-dev/pull/823.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back mbaesken! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[mlbridge]

Webrevs

• 00: Full (796d7b04)

[MBaesken]

src/hotspot/share/classfile/vmSymbols.hpp
int_array_signature is already in 21u-dev so no change to this file - we have 1 file less in this PR compared to head
Some other files have diffs in the strides and minor diff.

cpCache.cpp
has different coding in set_method_handle_common

[RealLucy]

Looks good.

[openjdk]

⚠️ @MBaesken This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[plummercj]

Make sure JDK-8335134 also gets backported after this backport is complete.

[MBaesken]

Make sure JDK-8335134 also gets backported after this backport is complete.

Thanks for the hint, it is already labeled sap-interest1 , so planned to be backported.