RFR: 8375010: C2 VectorAPI: assert(vbox->is_CheckCastPP()) failed: should be expanded [v3]

[Kerem Kat]

On Tue, 20 Jan 2026 19:47:00 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

>> Kerem Kat 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 four additional commits since the last revision:
>> 
>>  - Merge branch 'master' into fix-c2-checkCastPP
>>  - 8374903: C2 VectorAPI: assert(vbox->as_Phi()->region() == vect->as_Phi()->region()) failed
>>  - Simplify expand_vbox_node_helper by merging VectorBox Phi handling
>>  - 8375010: C2 VectorAPI: assert(vbox->is_CheckCastPP()) failed: should be expanded
>
> Test results (hs-tier1 - hs-tier4) are clean.

Thanks for testing @iwanowww!

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PR Comment: https://git.openjdk.org/jdk/pull/29200#issuecomment-3784610578