[jdk25u-dev] Integrated: 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`

This pull request has now been integrated.

Changeset: 08c22e5f
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.org/jdk25u-dev/commit/08c22e5f66b06f61d324f175e3705d4a74a53927
Stats:     19 lines in 2 files changed: 11 ins; 0 del; 8 mod

8360271: String.indexOf intrinsics fail with +EnableX86ECoreOpts and -CompactStrings

Reviewed-by: phh
Backport-of: 1d889b92bde5dfcb1fbe6cddb389a77f92eb1ce7

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PR: https://git.openjdk.org/jdk25u-dev/pull/165