hg: jdk/jdk: 8247979: aarch64: missing side effect of killing flags for clearArray_reg_reg

[felix.yang at huawei.com]

Changeset: 9fce19fdda7e
Author:    fyang
Date:      2020-06-22 20:26 +0800
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/9fce19fdda7e

8247979: aarch64: missing side effect of killing flags for clearArray_reg_reg
Reviewed-by: adinn
Contributed-by: wangyadong4 at huawei.com

! src/hotspot/cpu/aarch64/aarch64.ad