Withdrawn: 8325316: Enable -pedantic -Wpedantic for gcc

[duke]

On Tue, 6 Feb 2024 09:45:07 GMT, Julian Waters <jwaters at openjdk.org> wrote:

> Similarly to [JDK-8325163](https://bugs.openjdk.org/browse/JDK-8325163), this enables pedantic mode for gcc, ensuring stricter Standard conformance and allowing for buggy and broken code previously undetectable by gcc to be caught

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/17727