hg: jdk/sandbox: 8216350: AArch64: monitor unlock fast path not called

[chris.hegarty at oracle.com]

Changeset: 91f56aee3928
Author:    ngasson
Date:      2019-01-10 17:08 +0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/91f56aee3928

8216350: AArch64: monitor unlock fast path not called
Reviewed-by: aph, drwhite, fyang

! src/hotspot/cpu/aarch64/aarch64.ad
! src/hotspot/cpu/aarch64/assembler_aarch64.hpp
! test/micro/org/openjdk/bench/vm/lang/LockUnlock.java