[jdk26] RFR: 8351889: C2 crash: assertion failed: Base pointers must match (addp 344) [v2]

[Tobias Hartmann]

On Mon, 5 Jan 2026 09:32:22 GMT, Roland Westrelin <roland at openjdk.org> wrote:

>> Hi all,
>> 
>> This pull request contains a backport of commit [ad29642d](https://github.com/openjdk/jdk/commit/ad29642d8f4e8e0fb1223b14b85ab7841d7b1b51) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
>> 
>> The commit being backported was authored by Roland Westrelin on 15 Dec 2025 and was reviewed by Roberto Castañeda Lozano and Emanuel Peter.
>> 
>> Thanks!
>
> Roland Westrelin has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:
> 
>  - Merge branch 'jdk26' into backport-rwestrel-ad29642d-jdk26
>  - Backport ad29642d8f4e8e0fb1223b14b85ab7841d7b1b51

Roberto is still on vacation. I think we are good here. Ship it!

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Marked as reviewed by thartmann (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/28893#pullrequestreview-3642917244