[jdk21u-dev] Integrated: 8342988: GHA: Build JTReg in single step

[Aleksey Shipilev]

On Wed, 18 Dec 2024 17:21:06 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Makes sure GHA is more reliable: we do not risk failures when building jtreg multiple times, and it also allows us to compile it once on x86, without bothering with different arch JDKs.
> 
> The original PR does not apply cleanly, because Alpine support added by [JDK-8282944](https://bugs.openjdk.org/browse/JDK-8282944) is not in JDK 21. I have resolved the block by hand.
> 
> Additional testing:
>  - [x] GHA

This pull request has now been integrated.

Changeset: 6e6f8b2f
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.org/jdk21u-dev/commit/6e6f8b2f90e362ceb2d76e791cd6e58cf5d3ddbd
Stats:     138 lines in 3 files changed: 81 ins; 26 del; 31 mod

8342988: GHA: Build JTReg in single step

Reviewed-by: serb, phh
Backport-of: 88dc655a6d6cfc71c467405b62bd35beeed7794f

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PR: https://git.openjdk.org/jdk21u-dev/pull/1269