git: openjdk/loom: jom-master: Rickard's C2 patch

[duke]

Changeset: 4268a26c
Author:    Dean Long <17332032+dean-long at users.noreply.github.com>
Date:      2023-06-08 08:20:34 +0000
URL:       https://git.openjdk.org/loom/commit/4268a26c25643b5ac28eaa387c4a8b0e17c06ce9

Rickard's C2 patch

+ README-Rickard-C2-patch.txt
! src/hotspot/share/ci/ciMethod.hpp
! src/hotspot/share/ci/ciTypeFlow.cpp
! src/hotspot/share/classfile/vmSymbols.hpp
! src/hotspot/share/compiler/compileBroker.cpp
! src/hotspot/share/interpreter/bytecode.hpp
! src/hotspot/share/interpreter/linkResolver.cpp
! src/hotspot/share/interpreter/linkResolver.hpp
! src/hotspot/share/memory/universe.cpp
! src/hotspot/share/memory/universe.hpp
! src/hotspot/share/opto/bytecodeInfo.cpp
! src/hotspot/share/opto/callGenerator.cpp
! src/hotspot/share/opto/callnode.cpp
! src/hotspot/share/opto/callnode.hpp
! src/hotspot/share/opto/doCall.cpp
! src/hotspot/share/opto/graphKit.cpp
! src/hotspot/share/opto/locknode.cpp
! src/hotspot/share/opto/matcher.cpp
! src/hotspot/share/opto/output.cpp
! src/hotspot/share/opto/parse.hpp
! src/hotspot/share/opto/parse1.cpp
! src/hotspot/share/runtime/arguments.cpp
! src/hotspot/share/runtime/sharedRuntime.cpp
! src/java.base/share/classes/java/lang/Object.java