[jdk26] RFR: 8373524: C2: no reachable node should have no use

[Christian Hagedorn]

On Mon, 5 Jan 2026 16:20:56 GMT, Roland Westrelin <roland at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit [e72f205a](https://github.com/openjdk/jdk/commit/e72f205ae312b15ebab0cbeedb73bbf86e485251) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Roland Westrelin on 19 Dec 2025 and was reviewed by Christian Hagedorn and Manuel Hässig.
> 
> Thanks!

Testing passed.

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PR Comment: https://git.openjdk.org/jdk/pull/29042#issuecomment-3717629017