RFR: 8374889: C2 VectorAPI: must handle impossible combination of signed cast from float [v2]

[Dean Long]

On Wed, 14 Jan 2026 07:34:50 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

> Of course there is a small risk that I messed up something here, so please review carefully - we don't want to accidentally mess up HaltNodes and loose their asserting powers!

Looks good to me, but I suspect we don't have great test coverage for HaltNodes, since they are never supposed to get executed.

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PR Comment: https://git.openjdk.org/jdk/pull/29169#issuecomment-3759537899