git: openjdk/jdk18u: master: 8286601: Mac Aarch: Excessive warnings to be ignored for build jdk

[Andrew John Hughes]

Changeset: c5754962
Author:    Adam Farley <afarley at openjdk.org>
Committer: Andrew John Hughes <andrew at openjdk.org>
Date:      2022-05-23 21:04:51 +0000
URL:       https://git.openjdk.java.net/jdk18u/commit/c57549624fa0a1b65212842fa88872331a90b849

8286601: Mac Aarch: Excessive warnings to be ignored for build jdk

Reviewed-by: andrew
Backport-of: 40f43c6b1ffc88d55dd3223f5d0259ae73cf0356

! make/autoconf/flags-cflags.m4