RFR: 8308307: Update to gcc 12.2.0 on Linux

[Johan Vos]

On Sat, 20 May 2023 14:56:16 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> Update the compiler on Linux to gcc 12.2. This provides the needed C++20 support for the next WebKit update.

I noticed that the devkit files in the OpenJDK project do not support gcc 12.2 yet?
https://github.com/openjdk/jdk/blob/master/make/devkit/Tools.gmk

It would be good if we could use the same devkit tools as the JDK.

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

PR Comment: https://git.openjdk.org/jfx/pull/1141#issuecomment-1563392283