RFR: 8320053: GHA: Cross-compile gtest code

[Aleksey Shipilev]

On Tue, 14 Nov 2023 10:06:00 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Looking at why GHA did not catch [JDK-8320050](https://bugs.openjdk.org/browse/JDK-8320050), even though it builds hotspot, I realized we do not configure the build with gtest, which means we skip the build checks for gtest VM. It would be useful to cross-compile with all tests enabled, even without running them.
> 
> (This would probably make sense to do for JDK native code, but AFAICS it would require defining a few new make targets).
> 
> Additional testing:
>  - [ ] GHA

> You'd need a section to have a `steps.gtest` to refer to.

True. I hoped it would work out of the box, and was waiting for GHA to catch up. Added the section now, waiting for new GHA run.

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PR Comment: https://git.openjdk.org/jdk/pull/16652#issuecomment-1809991819