[jdk25u] Withdrawn: 8370405: C2: mismatched store from MergeStores wrongly scalarized in allocation elimination

Aleksey Shipilev shade at openjdk.org
Wed Nov 26 10:18:04 UTC 2025


On Wed, 19 Nov 2025 12:15:48 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Fixes JDK 21 -> JDK 25 regression in C2 that can lead to miscompilation. There is a regression test that captures the failure.
> 
> Additional testing:
>  - [x] Linux x86_64 server fastdebug, new regression test fails without the fix, passes with it
>  - [ ] Linux x86_64 server fastdebug, `all`

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk25u/pull/382


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