git: openjdk/jdk: 8323008: filter out harmful -std* flags added by autoconf from CXX

[Matthias Baesken]

Changeset: 68c42860
Author:    Matthias Baesken <mbaesken at openjdk.org>
Date:      2024-01-12 12:29:07 +0000
URL:       https://git.openjdk.org/jdk/commit/68c4286026bc2c0ec0f594e0b96fe03fe5624d6d

8323008: filter out harmful -std* flags added by autoconf from CXX

Reviewed-by: erikj, clanger, ihse

! make/autoconf/toolchain.m4
! make/autoconf/util.m4