RFR: 8311380: Prepare java.desktop for C++17 [v2]

[Julian Waters]

On Wed, 12 Jul 2023 01:07:20 GMT, Julian Waters <jwaters at openjdk.org> wrote:

>> Despite the fancy name, all this change does is move a few standard library headers to the top so macro definitions don't break them, remove the register specifiers from allocation methods, and remove dynamic exception specifiers from AWT code
>
> Julian Waters has updated the pull request incrementally with one additional commit since the last revision:
> 
>   awt_new.cpp: Do not return nullptr always...

Thanks!

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PR Comment: https://git.openjdk.org/jdk/pull/14795#issuecomment-1633384928