Several tests failed in the same way:

 stdout: [Allocated shared space: 37871616 bytes at 0x0000000800000000
Loading classes to share ...
Preload Warning: Cannot find com/apple/laf/ImageCache
Preload Warning: Cannot find com/apple/laf/ImageCache$1
Preload Warning: Cannot find com/apple/laf/ImageCache$PixelCountSoftReference
Preload Warning: Cannot find java/awt/Dialog$3
Preload Warning: Cannot find java/awt/GraphicsEnvironment$1
Preload Warning: Cannot find java/awt/datatransfer/SystemFlavorMap$2
Preload Warning: Cannot find java/lang/Compiler$1
Preload Warning: Cannot find java/lang/UNIXProcess
Preload Warning: Cannot find java/lang/UNIXProcess$1
Preload Warning: Cannot find java/lang/UNIXProcess$2
Preload Warning: Cannot find java/lang/UNIXProcess$3
Preload Warning: Cannot find java/lang/UNIXProcess$4
Preload Warning: Cannot find java/lang/UNIXProcess$LaunchMechanism
Preload Warning: Cannot find java/lang/UNIXProcess$ProcessPipeInputStream
Preload Warning: Cannot find java/lang/UNIXProcess$ProcessPipeOutputStream
Preload Warning: Cannot find java/lang/UNIXProcess$ProcessReaperThreadFactory
Preload Warning: Cannot find java/lang/UNIXProcess$ProcessReaperThreadFactory$1
Preload Warning: Cannot find java/lang/invoke/MagicLambdaImpl
Preload Warning: Cannot find java/net/InetAddress$Cache
Preload Warning: Cannot find java/net/InetAddress$Cache$Type
Preload Warning: Cannot find java/security/ProtectionDomain$3
Preload Warning: Cannot find javax/swing/JComponent$2
Preload Warning: Cannot find javax/swing/TimerQueue$1
Preload Warning: Cannot find javax/swing/text/AbstractDocument$InsertStringResult
Preload Warning: Cannot find sun/awt/CGraphicsEnvironment$1
Preload Warning: Cannot find sun/awt/CGraphicsEnvironment$2
Preload Warning: Cannot find sun/awt/EventQueueDelegate
Preload Warning: Cannot find sun/awt/WindowClosingListener
Preload Warning: Cannot find sun/awt/WindowClosingSupport
Preload Warning: Cannot find sun/awt/datatransfer/DataTransferer$CharsetComparator
Preload Warning: Cannot find sun/awt/datatransfer/DataTransferer$IndexOrderComparator
Preload Warning: Cannot find sun/awt/datatransfer/DataTransferer$IndexedComparator
Preload Warning: Cannot find sun/awt/datatransfer/DataTransferer$RMI
Preload Warning: Cannot find sun/awt/datatransfer/DataTransferer$StandardEncodingsHolder
Preload Warning: Cannot find sun/font/CFontManager$4
Preload Warning: Cannot find sun/java2d/Disposer$2
Preload Warning: Cannot find sun/java2d/opengl/OGLRenderQueue$1
Preload Warning: Cannot find sun/java2d/pipe/RenderingEngine$1
Preload Warning: Cannot find sun/lwawt/macosx/CPlatformWindow$14
Preload Warning: Cannot find sun/lwawt/macosx/CThreading
Preload Warning: Cannot find sun/lwawt/macosx/LWCToolkit$5
Preload Warning: Cannot find sun/lwawt/macosx/event/NSEvent
Preload Warning: Cannot find sun/misc/ExtensionDependency
Preload Warning: Cannot find sun/swing/SwingLazyValue
Preload Warning: Cannot find sun/swing/SwingLazyValue$1
Preload Warning: Cannot find sun/swing/SwingUtilities2$2
Loading classes to share: done.
Rewriting and linking classes ...
Rewriting and linking classes: done
Number of classes 2178
    instance classes = 2164
    obj array classes = 6
    type array classes = 8
Updating ConstMethods ... done.
Removing unshareable information ... done.
ro space: 9331120 [ 45.3% of total] out of 16777216 bytes [55.6% used] at 0x0000000800000000
rw space: 10571656 [ 51.3% of total] out of 16777216 bytes [63.0% used] at 0x0000000801000000
md space: 616248 [ 3.0% of total] out of 4194304 bytes [14.7% used] at 0x0000000802000000
mc space: 34053 [ 0.2% of total] out of 122880 bytes [27.7% used] at 0x0000000802400000
st space: 65536 [ 0.3% of total] out of 65536 bytes [100.0% used] at 0x000000019cf00000
total : 20618613 [100.0% of total] out of 37937152 bytes [54.3% used]
Error occurred during initialization of VM
Unable to use shared archive.
];
 stderr: [An error has occurred while processing the shared archive file.
Unable to write to shared archive file.
]
 exitValue = 1

java.lang.RuntimeException: Expected to get exit value of [0]

at jdk.test.lib.OutputAnalyzer.shouldHaveExitValue(OutputAnalyzer.java:362)
at CdsDifferentObjectAlignment.createAndLoadSharedArchive(CdsDifferentObjectAlignment.java:72)
at CdsDifferentObjectAlignment.main(CdsDifferentObjectAlignment.java:49)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:502)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:92)
at java.lang.Thread.run(Thread.java:745)