git: openjdk/jdk11u-dev: 8323008: filter out harmful -std* flags added by autoconf from CXX

[Goetz Lindenmaier]

Changeset: dc028f28
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2024-01-18 15:12:16 +0000
URL:       https://git.openjdk.org/jdk11u-dev/commit/dc028f28d1ec5a4efd89af1b5f83fa4dc349defc

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

Backport-of: 68c4286026bc2c0ec0f594e0b96fe03fe5624d6d

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