git: openjdk/jdk17u-dev: 8295066: Folding of loads is broken in C2 after JDK-8242115

[Goetz Lindenmaier]

Changeset: 0ac93eb7
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-01-02 21:08:40 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/0ac93eb7732fde01e013eccf56ce04bf28d81847

8295066: Folding of loads is broken in C2 after JDK-8242115

Backport-of: 58a7141a0dea5d1b4bfe6d56a95d860c854b3461

! src/hotspot/share/gc/g1/c2/g1BarrierSetC2.cpp
! src/hotspot/share/gc/g1/c2/g1BarrierSetC2.hpp
! src/hotspot/share/gc/shared/c2/barrierSetC2.hpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.hpp
! src/hotspot/share/opto/macro.cpp
! src/hotspot/share/opto/macro.hpp
! src/hotspot/share/opto/memnode.cpp
+ test/hotspot/jtreg/compiler/c2/irTests/TestScalarReplacement.java