[aarch64-port-dev ] git: openjdk/aarch64-port: master: 8276453: Undefined behavior in C1 LIR_OprDesc causes SEGV in fastdebug build

[Man Cao]

Changeset: 8c5f0304
Author:    Man Cao <manc at openjdk.org>
Date:      2021-11-12 22:34:10 +0000
URL:       https://git.openjdk.java.net/aarch64-port/commit/8c5f03049196e66a4f8411bdd853b287134e7ce5

8276453: Undefined behavior in C1 LIR_OprDesc causes SEGV in fastdebug build

Co-authored-by: Chuck Rasbold <rasbold at openjdk.org>
Co-authored-by: James Y Knight <jyknight at google.com>
Reviewed-by: kvn, dlong

! src/hotspot/cpu/aarch64/c1_CodeStubs_aarch64.cpp
! src/hotspot/cpu/aarch64/c1_FrameMap_aarch64.cpp
! src/hotspot/cpu/aarch64/c1_LIRGenerator_aarch64.cpp
! src/hotspot/cpu/aarch64/gc/z/zBarrierSetAssembler_aarch64.hpp
! src/hotspot/cpu/arm/c1_CodeStubs_arm.cpp
! src/hotspot/cpu/arm/c1_FrameMap_arm.cpp
! src/hotspot/cpu/arm/c1_LIRGenerator_arm.cpp
! src/hotspot/cpu/ppc/c1_CodeStubs_ppc.cpp
! src/hotspot/cpu/ppc/c1_FrameMap_ppc.cpp
! src/hotspot/cpu/ppc/c1_LIRGenerator_ppc.cpp
! src/hotspot/cpu/ppc/gc/z/zBarrierSetAssembler_ppc.hpp
! src/hotspot/cpu/s390/c1_CodeStubs_s390.cpp
! src/hotspot/cpu/s390/c1_FrameMap_s390.cpp
! src/hotspot/cpu/x86/c1_CodeStubs_x86.cpp
! src/hotspot/cpu/x86/c1_FrameMap_x86.cpp
! src/hotspot/cpu/x86/c1_LIRGenerator_x86.cpp
! src/hotspot/cpu/x86/gc/z/zBarrierSetAssembler_x86.hpp
! src/hotspot/share/c1/c1_Compilation.hpp
! src/hotspot/share/c1/c1_FrameMap.hpp
! src/hotspot/share/c1/c1_Instruction.hpp
! src/hotspot/share/c1/c1_LIR.cpp
! src/hotspot/share/c1/c1_LIR.hpp
! src/hotspot/share/c1/c1_LIRGenerator.cpp
! src/hotspot/share/c1/c1_LIRGenerator.hpp
! src/hotspot/share/gc/g1/c1/g1BarrierSetC1.cpp
! src/hotspot/share/gc/g1/c1/g1BarrierSetC1.hpp
! src/hotspot/share/gc/shared/c1/barrierSetC1.hpp
! src/hotspot/share/gc/shared/c1/cardTableBarrierSetC1.cpp
! src/hotspot/share/gc/shared/c1/cardTableBarrierSetC1.hpp
! src/hotspot/share/gc/shared/c1/modRefBarrierSetC1.hpp