git: openjdk/jdk16: 8258558: Revert changes for JDK-8252505 and related issues

[Aleksey Shipilev]

Changeset: ad456787
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2021-01-06 13:27:57 +0000
URL:       https://git.openjdk.java.net/jdk16/commit/ad456787

8258558: Revert changes for JDK-8252505 and related issues

Reviewed-by: kvn

! src/hotspot/share/c1/c1_Compiler.cpp
! src/hotspot/share/c1/c1_GraphBuilder.cpp
! src/hotspot/share/c1/c1_LIRGenerator.cpp
! src/hotspot/share/c1/c1_LIRGenerator.hpp
! src/hotspot/share/ci/ciMethod.cpp
! src/hotspot/share/ci/ciMethod.hpp
! src/hotspot/share/classfile/classFileParser.cpp
! src/hotspot/share/classfile/vmIntrinsics.cpp
! src/hotspot/share/classfile/vmIntrinsics.hpp
! src/hotspot/share/classfile/vmSymbols.hpp
! src/hotspot/share/compiler/compilerOracle.cpp
! src/hotspot/share/compiler/compilerOracle.hpp
! src/hotspot/share/opto/c2compiler.cpp
! src/hotspot/share/opto/classes.hpp
! src/hotspot/share/opto/compile.cpp
! src/hotspot/share/opto/library_call.cpp
! src/hotspot/share/opto/library_call.hpp
! src/hotspot/share/opto/memnode.cpp
! src/hotspot/share/opto/memnode.hpp
! src/hotspot/share/opto/node.hpp
! src/hotspot/share/opto/regmask.cpp
! src/hotspot/share/opto/regmask.hpp
! src/hotspot/share/runtime/vmStructs.cpp
! test/hotspot/jtreg/ProblemList-Xcomp.txt
! test/hotspot/jtreg/TEST.groups
- test/hotspot/jtreg/compiler/blackhole/BlackholeDiagnosticUnlockTest.java
- test/hotspot/jtreg/compiler/blackhole/BlackholeInstanceReturnTest.java
- test/hotspot/jtreg/compiler/blackhole/BlackholeInstanceTest.java
- test/hotspot/jtreg/compiler/blackhole/BlackholeNonVoidWarningTest.java
- test/hotspot/jtreg/compiler/blackhole/BlackholeNullCheckTest.java
- test/hotspot/jtreg/compiler/blackhole/BlackholeStaticReturnTest.java
- test/hotspot/jtreg/compiler/blackhole/BlackholeStaticTest.java
- test/hotspot/jtreg/compiler/blackhole/BlackholeTarget.java