hg: panama/dev: manual merge with default

[sandhya.viswanathan at intel.com]

Changeset: 8fb7cb1db335
Author:    sviswanathan
Date:      2020-08-19 16:47 -0700
URL:       https://hg.openjdk.java.net/panama/dev/rev/8fb7cb1db335

manual merge with default

! make/autoconf/toolchain.m4
! make/common/Modules.gmk
! src/hotspot/cpu/aarch64/aarch64-asmtest.py
! src/hotspot/cpu/aarch64/assembler_aarch64.cpp
! src/hotspot/cpu/aarch64/assembler_aarch64.hpp
! src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp
! src/hotspot/cpu/aarch64/vm_version_aarch64.cpp
! src/hotspot/cpu/x86/assembler_x86.cpp
! src/hotspot/cpu/x86/assembler_x86.hpp
! src/hotspot/cpu/x86/c2_MacroAssembler_x86.cpp
! src/hotspot/cpu/x86/c2_MacroAssembler_x86.hpp
! src/hotspot/cpu/x86/x86.ad
! src/hotspot/cpu/x86/x86_64.ad
! src/hotspot/share/adlc/formssel.cpp
! src/hotspot/share/jvmci/vmStructs_jvmci.cpp
! src/hotspot/share/opto/addnode.hpp
! src/hotspot/share/opto/classes.hpp
! src/hotspot/share/opto/graphKit.cpp
! src/hotspot/share/opto/library_call.cpp
! src/hotspot/share/opto/matcher.cpp
! src/hotspot/share/opto/matcher.hpp
! src/hotspot/share/opto/memnode.cpp
! src/hotspot/share/opto/mulnode.hpp
! src/hotspot/share/opto/parse2.cpp
! src/hotspot/share/opto/superword.cpp
! src/hotspot/share/opto/vectornode.cpp
! src/hotspot/share/opto/vectornode.hpp
! src/hotspot/share/runtime/arguments.cpp
! src/hotspot/share/runtime/globals.hpp
! src/hotspot/share/runtime/vmStructs.cpp
! src/hotspot/share/utilities/globalDefinitions.hpp
- src/hotspot/share/utilities/sizes.cpp
- test/hotspot/jtreg/gc/shenandoah/options/TestCriticalControlThreadPriority.java
- test/hotspot/jtreg/runtime/8026394/InterfaceObjectTest.java
- test/jdk/java/io/File/GetXSpace.sh
- test/jdk/jdk/lambda/vm/StrictfpDefault.java
- test/langtools/tools/javac/records/mandated_members/read_resolve_method/CheckReadResolveMethodTest.java