8374195: TestReplaceNarrowPhiWithBottomPhi fails on ppc64 platforms in (fast)debug

[TheRealMDoerr]

Clean backport of JDK-8374195.

---

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

Issue

• JDK-8374195: TestReplaceNarrowPhiWithBottomPhi fails on ppc64 platforms in (fast)debug (Bug - P3)

Reviewers

• Aleksey Shipilev (@shipilev - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/29162/head:pull/29162
$ git checkout pull/29162

Update a local copy of the PR:
$ git checkout pull/29162
$ git pull https://git.openjdk.org/jdk.git pull/29162/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 29162

View PR using the GUI difftool:
$ git pr show -t 29162

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/29162.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back mdoerr! A progress list of the required criteria for merging this PR into jdk26 will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@TheRealMDoerr This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8374195: TestReplaceNarrowPhiWithBottomPhi fails on ppc64 platforms in (fast)debug

Reviewed-by: shade

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[openjdk]

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

[openjdk]

@TheRealMDoerr The following label will be automatically applied to this pull request:

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[TheRealMDoerr]

/approval request The backport is needed to resolve tier1 test failures. The fix is trivial and applies cleanly (disabling the problematic test for PPC64 platforms).

[openjdk]

@TheRealMDoerr Changes in this repository do not require maintainer approval.

[TheRealMDoerr]

Thanks for the review!

[shipilev]

Yeah, you just need a regular PR review for JDK 26 stabilization branch. Here it is.

[mlbridge]

Webrevs

• 00: Full (97fd8c86)

[TheRealMDoerr]

GHA Error is "No space left on device".

[shipilev]

GHA Error is "No space left on device".

Yup, will be fixed in JDK 26 branch with #29161.

[TheRealMDoerr]

/integrate

[openjdk]

Going to push as commit 2a2b704.
Since your change was applied there have been 6 commits pushed to the jdk26 branch:

• d87c05c: 8373508: C2: sinking CreateEx out of loop breaks the graph
• 2da14e2: 8373724: Assertion failure in TestSignumVector.java with UseAPX
• 31775fd: 8352728: InternalError loading java.security due to Windows parent folder permissions
• ... and 3 more: https://git.openjdk.org/jdk/compare/7317343d4719ea434e0e3d9d2af8734004b65343...jdk26

Your commit was automatically rebased without conflicts.

[openjdk]

@TheRealMDoerr Pushed as commit 2a2b704.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.