[jdk11u-dev] RFR: 8293107: GHA: Bump to Ubuntu 22.04

[Thomas Stuefe]

On Mon, 21 Aug 2023 10:56:18 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> This similar to the bulk GHA update we did here: https://github.com/shipilev/jdk17u-dev/commit/260f28761a87553fd634615df5ba3db5b76ae692 -- but now for 11u.
> 
> Note this effectively reverts [JDK-8284772](https://bugs.openjdk.org/browse/JDK-8284772). I strongly believe if we change minor GCC version handling, we should be doing it in mainline, and then pulling changes in as the proper backports, not forward ports from 8u -> 11u.
> 
> There are other GHA improvements we would backport later. This one atomic PR brings in 11u GHA closer to mainline GHA state without breaking the builds. For reference, after this PR, the 11u-vs-mainline GHA diff would be this: [gha-11u-vs-mainline.patch](https://github.com/openjdk/jdk11u-dev/files/12395257/gha-11u-vs-mainline.patch)

What is the reason for this PR, reducing maintenance by reducing delta to upstream?

I would slightly prefer testing 11u on older systems with older glibcs (20.04 still rocks 2.31, which predates mallinfo2() for instance).

-------------

PR Comment: https://git.openjdk.org/jdk11u-dev/pull/2090#issuecomment-1686229221