hg: jdk/jdk: 8233337: Shenandoah: Cleanup AArch64 SBSA::load_reference_barrier_not_null()

[zgu at redhat.com]

Changeset: 66b1db608c12
Author:    zgu
Date:      2019-11-08 09:51 -0500
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/66b1db608c12

8233337: Shenandoah: Cleanup AArch64 SBSA::load_reference_barrier_not_null()
Reviewed-by: rkennke

! src/hotspot/cpu/aarch64/gc/shenandoah/shenandoahBarrierSetAssembler_aarch64.cpp