git: openjdk/jdk21u-dev: master: 8347840: Fix testlibrary compilation warnings

[Goetz Lindenmaier]

Changeset: 488b96b9
Branch: master
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2025-06-09 12:58:46 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/488b96b97eae310369eb2cc80037085afbc613c4

8347840: Fix testlibrary compilation warnings

Reviewed-by: mbaesken
Backport-of: 2ca1b4d48da7eb9b5baf0ac213f3ce87f47dd316

! make/test/BuildTestLib.gmk
! test/hotspot/jtreg/runtime/os/HugePageConfiguration.java
! test/lib/jdk/test/lib/Asserts.java
! test/lib/jdk/test/lib/apps/LingeredApp.java
! test/lib/jdk/test/lib/artifacts/ArtifactResolver.java
! test/lib/jdk/test/lib/artifacts/ArtifactResolverException.java
! test/lib/jdk/test/lib/artifacts/JibArtifactManager.java
! test/lib/jdk/test/lib/classloader/ClassUnloadCommon.java
! test/lib/jdk/test/lib/classloader/GeneratingClassLoader.java
! test/lib/jdk/test/lib/classloader/GeneratingCompilingClassLoader.java
! test/lib/jdk/test/lib/format/ArrayDiff.java
! test/lib/jdk/test/lib/hprof/model/JavaHeapObject.java
! test/lib/jdk/test/lib/hprof/model/JavaStatic.java
! test/lib/jdk/test/lib/hprof/model/JavaThing.java
! test/lib/jdk/test/lib/hprof/model/Root.java
! test/lib/jdk/test/lib/hprof/model/Snapshot.java
! test/lib/jdk/test/lib/hprof/model/StackFrame.java
! test/lib/jdk/test/lib/hprof/model/StackTrace.java
! test/lib/jdk/test/lib/hprof/parser/FileReadBuffer.java
! test/lib/jdk/test/lib/hprof/parser/MappedReadBuffer.java
! test/lib/jdk/test/lib/hprof/parser/ReadBuffer.java
! test/lib/jdk/test/lib/hprof/parser/Reader.java
! test/lib/jdk/test/lib/jfr/Events.java
! test/lib/jdk/test/lib/jvmti/DebugeeClass.java
! test/lib/jdk/test/lib/management/ThreadMXBeanTool.java
! test/lib/jdk/test/lib/net/IPSupport.java
! test/lib/jdk/test/lib/process/ProcessTools.java
! test/lib/jdk/test/lib/thread/VThreadPinner.java
! test/lib/jdk/test/lib/thread/VThreadRunner.java
! test/lib/jdk/test/lib/util/FileUtils.java