[lworld] RFR: Merge jdk

[David Simms]

Merge tag 'jdk-15+24' into lworld_merge_jdk_15_24
Added tag jdk-15+24 for changeset 497fd9f9129c

# Conflicts:
#	src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp
#	src/hotspot/share/classfile/javaClasses.hpp
#	src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
#	src/hotspot/share/memory/oopFactory.hpp
#	src/hotspot/share/oops/access.hpp
#	src/hotspot/share/oops/accessBackend.hpp
#	src/hotspot/share/oops/accessDecorators.hpp
#	src/hotspot/share/runtime/init.cpp
#	src/hotspot/share/runtime/thread.hpp
#	src/jdk.compiler/share/classes/com/sun/tools/javac/code/Flags.java
#	src/jdk.jdi/share/classes/com/sun/tools/jdi/ReferenceTypeImpl.java
#	src/jdk.jdwp.agent/share/native/libjdwp/ArrayReferenceImpl.c
#	src/jdk.jdwp.agent/share/native/libjdwp/ArrayTypeImpl.c
#	src/jdk.jdwp.agent/share/native/libjdwp/ClassTypeImpl.c
#	src/jdk.jdwp.agent/share/native/libjdwp/ObjectReferenceImpl.c
#	src/jdk.jdwp.agent/share/native/libjdwp/eventHelper.c
#	src/jdk.jdwp.agent/share/native/libjdwp/invoker.c
#	src/jdk.jdwp.agent/share/native/libjdwp/util.c
#	test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive/DynamicArchiveRelocationTest.java

-------------

Commit messages:
 - Merge tag 'jdk-15+24' into lworld_merge_jdk_15_24
 - 8245051: c1 is broken if it is compiled by gcc without -fno-lifetime-dse
 - 8244031: HttpClient should have more tests for HEAD requests
 - 8244733: Add ResourceHashtable::xxx_if_absent
 - 8245463: Shenandoah: refine ShenandoahPhaseTimings constructor arguments
 - 8245461: Shenandoah: refine mode name()-s
 - 8244416: Remove incorrect assert during inline cache cleaning
 - 8245398: Remove addition preview adornment from String::formatted
 - 8245281: Disabling hotspot gtest builds make it impossible to run tests
 - 8245445: Langtools NetBeans ant build broken after JDK-8244093
 - ... and 96 more: https://git.openjdk.java.net/valhalla/compare/2f51c64b...20628a92

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lworld: https://webrevs.openjdk.java.net/valhalla/70/webrev.00.0
 - jdk: https://webrevs.openjdk.java.net/valhalla/70/webrev.00.1

Changes: https://git.openjdk.java.net/valhalla/pull/70/files
  Stats: 34398 lines in 761 files changed: 17778 ins; 12817 del; 3803 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/70.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/70/head:pull/70

PR: https://git.openjdk.java.net/valhalla/pull/70