RFR: 8374768: S390X builds are failing after JDK-8372754

[Martin Doerr]

On Thu, 8 Jan 2026 08:22:57 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> JDK-8372754 introduced a new include in os_linux_s390.cpp, but included a wrong file. So it readily fails in GHA and local builds:
> 
> 
> /home/runner/work/jdk/jdk/src/hotspot/os_cpu/linux_s390/os_linux_s390.cpp:33:10: fatal error: cppstdlib/cstdlib.h: No such file or directory
>    33 | #include "cppstdlib/cstdlib.h"
>       |          ^~~~~~~~~~~~~~~~~~~~~
> 
> 
> Additional testing:
>  - [ ] GHA

Thanks for fixing it!

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Marked as reviewed by mdoerr (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/29109#pullrequestreview-3638553601