RFR: 8360679: Shenandoah: AOT saved adapter calls into broken GC barrier stub

Vladimir Kozlov kvn at openjdk.org
Wed Jul 23 19:40:53 UTC 2025


On Wed, 23 Jul 2025 18:43:59 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> See the bug for more analysis. This is AOT-, AArch64-, Shenandoah-specific problem. The fix is simple, the failure is catastrophic, and it is very reproducible. So it makes the issue P2, and would like to get it into JDK 25 under RDP 2 rules.
> 
> Additional testing:
>  - [x] Linux AArch64 server fastdebug, mainline, `runtime/cds` with `-XX:+UseShenandoahGC` (now passes)
>  - [x] Linux AArch64 server fastdebug, mainline, `hotspot_gc_shenandoah` (still passes)
>  - [x] Linux AArch64 server fastdebug, JDK 25, `runtime/cds` with `-XX:+UseShenandoahGC` (now passes)
>  - [x] Linux AArch64 server fastdebug, JDK 25, `hotspot_gc_shenandoah` (still passes)

I am fine with back porting this into JDK 25. Please, file request according to https://openjdk.org/jeps/3#Fix-Request-Process

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PR Comment: https://git.openjdk.org/jdk/pull/26449#issuecomment-3109900378


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