8340214: C2 compilation asserts with "no node with a side effect" in PhaseIdealLoop::try_sink_out_of_loop

[TobiHartmann]

Hi all,

This pull request contains a backport of commit ff2f39f2 from the openjdk/jdk repository.

The commit being backported was authored by Roland Westrelin on 9 Oct 2024 and was reviewed by Christian Hagedorn and Tobias Hartmann.

Thanks!

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8340214 needs maintainer approval

Issue

• JDK-8340214: C2 compilation asserts with "no node with a side effect" in PhaseIdealLoop::try_sink_out_of_loop (Bug - P2 - Requested)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk23u.git pull/161/head:pull/161
$ git checkout pull/161

Update a local copy of the PR:
$ git checkout pull/161
$ git pull https://git.openjdk.org/jdk23u.git pull/161/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 161

View PR using the GUI difftool:
$ git pr show -t 161

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk23u/pull/161.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back thartmann! 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 (6d54f99f)