RFR: 8314488: Compile the JDK as C++17 [v6]

[Kim Barrett]

On Wed, 14 Feb 2024 15:59:50 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

> I'd like to separate the version update discussions from C++17 specifics, so we can have focused discussions on the version choices. Of course, that's going to be informed by the possibility of C++17, but that's not the only factor. That way this issue can be just about turning on C++17, when, and why.
> 
> In order to do that, I've filed the following issues about version updates: https://bugs.openjdk.org/browse/JDK-8325881 Require minimum gcc version 10
> 
> https://bugs.openjdk.org/browse/JDK-8325878 Require minimum clang version 13
> 
> https://bugs.openjdk.org/browse/JDK-8325880 Require minimum OpenXL C/C++ version 17.1.1
> 
> PRs will follow shortly.

And here are the promised PRs:

8325881: Require minimum gcc version 10 
https://github.com/openjdk/jdk/pull/17899

8325878: Require minimum Clang version 13
https://github.com/openjdk/jdk/pull/17862

8325880: Require minimum Open XL C/C++ version 17.1.1
https://github.com/openjdk/jdk/pull/17857

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PR Comment: https://git.openjdk.org/jdk/pull/14988#issuecomment-1949900566