[jdk22] RFR: 8323008: filter out harmful -std* flags added by autoconf from CXX

[Martin Doerr]

On Sat, 13 Jan 2024 17:29:58 GMT, Christoph Langer <clanger at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of [JDK-8323008](https://bugs.openjdk.org/browse/JDK-8323008), commit [68c42860](https://github.com/openjdk/jdk/commit/68c4286026bc2c0ec0f594e0b96fe03fe5624d6d) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Matthias Baesken on 12 Jan 2024 and was reviewed by Erik Joelsson, Christoph Langer and Magnus Ihse Bursie.
> 
> Thanks!

I think this backport makes sense to have a cleaner build when autoconf 2.72 is used.

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

Marked as reviewed by mdoerr (Reviewer).

PR Review: https://git.openjdk.org/jdk22/pull/70#pullrequestreview-1821870608