git: openjdk/jdk: 8257415: ZGC: Fix barrier_data types

[Per Liden]

Changeset: 021dced2
Author:    Per Liden <pliden at openjdk.org>
Date:      2020-12-01 10:40:46 +0000
URL:       https://git.openjdk.java.net/jdk/commit/021dced2

8257415: ZGC: Fix barrier_data types

Reviewed-by: smonteith, stefank

! src/hotspot/cpu/aarch64/gc/z/z_aarch64.ad
! src/hotspot/cpu/x86/gc/z/z_x86_64.ad
! src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp
! src/hotspot/share/gc/z/c2/zBarrierSetC2.hpp