RFR: 8314488: Compile the JDK as C++17

[David Holmes]

On Mon, 24 Jul 2023 01:41:16 GMT, Julian Waters <jwaters at openjdk.org> wrote:

> Implementation of [JEP draft: Compile the JDK as C++17](https://bugs.openjdk.org/browse/JDK-8310260)

Hi Julian,

Given the JEP was closed/rejected as being unnecessary it didn't really make sense to present this as an Implementation of the JEP. This is simply the last couple of fixes to make code C++17 clean and to switch to requiring C++17. The former seems quite reasonable to me. The latter does require further discussion and buy-in.

Thanks

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PR Comment: https://git.openjdk.org/jdk/pull/14988#issuecomment-1683450635