[jdk25u-dev] RFR: 8360271: String.indexOf intrinsics fail with +EnableX86ECoreOpts and -CompactStrings

[Aleksey Shipilev]

On Thu, 22 Jan 2026 09:48:25 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Same as for JDK 26, fixes the regression in JDK 24.
> 
> Techinically not clean because there is a conflict in copyright line years, resolved in favor of incoming changeset.
> 
> Additional testing:
>  - [x] Linux x86_64 server fastdebug, new test case fails without the patch, passes with it
>  - [x]  Linux x86_64 server fastdebug, `tier1` with `-XX:-CompactStrings`

Push approval granted.

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PR Comment: https://git.openjdk.org/jdk25u-dev/pull/165#issuecomment-3816004629