RFR: 8283402: Update to gcc 11.2 on Linux

[Kevin Rushforth]

On Tue, 29 Mar 2022 09:42:38 GMT, Johan Vos <jvos at openjdk.org> wrote:

>> This patch updates the compiler to gcc 11.2 on Linux, in order to match JDK 17 -- see [JDK-8283057](https://bugs.openjdk.java.net/browse/JDK-8283057).
>> 
>> I ran a full build and test, including media and WebKit.
>
> .github/workflows/submit.yml line 86:
> 
>> 84:           set -x
>> 85:           sudo apt-get update
>> 86:           sudo apt-get install libgl1-mesa-dev libx11-dev libxxf86vm-dev libxt-dev pkg-config libgtk2.0-dev libgtk-3-dev libxtst-dev gcc-11 g++-11
> 
> Did this install 11.2? The CI is using Focal, and afaik there is no gcc-11.2 for focal?

No, it will use whatever the latest is for GitHub actions. There doesn't seem to be an 11.2 package for GHA. It should be sufficient for most testing, but highlights one of the limitations of relying on GitHub Actions for anything more than a sanity test.

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PR: https://git.openjdk.java.net/jfx/pull/761