hg: jdk/sandbox: 8224851: AArch64: fix warnings and errors with Clang and GCC 8.3

[chris.hegarty at oracle.com]

Changeset: e53ec3b362f4
Author:    ngasson
Date:      2019-06-17 15:31 +0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/e53ec3b362f4

8224851: AArch64: fix warnings and errors with Clang and GCC 8.3
Reviewed-by: aph, kbarrett

! src/hotspot/cpu/aarch64/aarch64.ad
! src/hotspot/cpu/aarch64/assembler_aarch64.hpp
! src/hotspot/cpu/aarch64/c1_LIRAssembler_aarch64.cpp
! src/hotspot/cpu/aarch64/c1_LIRGenerator_aarch64.cpp
! src/hotspot/cpu/aarch64/frame_aarch64.cpp
! src/hotspot/cpu/aarch64/interp_masm_aarch64.hpp
! src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
! src/hotspot/cpu/aarch64/macroAssembler_aarch64_log.cpp
! src/hotspot/cpu/aarch64/macroAssembler_aarch64_trig.cpp
! src/hotspot/cpu/aarch64/vm_version_aarch64.cpp
! src/hotspot/os_cpu/linux_aarch64/atomic_linux_aarch64.hpp
! src/hotspot/os_cpu/linux_aarch64/copy_linux_aarch64.s
! src/hotspot/os_cpu/linux_aarch64/os_linux_aarch64.cpp