hg: jdk/jdk: 8234525: enable link-time section-gc for linux s390x to remove unused code

[matthias.baesken at sap.com]

Changeset: c04fa10636fd
Author:    mbaesken
Date:      2019-11-27 10:07 +0100
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/c04fa10636fd

8234525: enable link-time section-gc for linux s390x to remove unused code
Reviewed-by: erikj, mdoerr

! make/autoconf/flags-cflags.m4
! make/autoconf/flags-ldflags.m4