UnsafeCopyMemoryTest throws exception when off-heap enabled

[LinHu2016]

https://hyc-runtimes-jenkins.swg-devops.com/job/Test_openjdk21_j9_sanity.functional_x86-64_linux_Personal_testList_0/558/consoleText

• test category,: sanity.functional

• test target name: J9vmTest_4

• OS/architecture): all platforms

Optional info

• intermittent failure (yes|no): No
• regression or new test: only fail with new option "-XXgc:enableVirtualLargeObjectHeap"

Failure output (captured from console output)

[2024-09-25T19:20:28.338Z] Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException
[2024-09-25T19:20:28.338Z] 	at java.base/java.lang.reflect.Array.getByte(Array.java:122)
[2024-09-25T19:20:28.338Z] 	at java.base/java.lang.reflect.Array.getShort(Array.java:303)
[2024-09-25T19:20:28.339Z] 	at java.base/java.lang.reflect.Array.getInt(Array.java:219)
[2024-09-25T19:20:28.339Z] 	at java.base/java.lang.reflect.Array.getLong(Array.java:280)
[2024-09-25T19:20:28.339Z] 	at j9vm.test.unsafe.UnsafeCopyMemoryTest.testEqualRawMemoryAndArray(UnsafeCopyMemoryTest.java:272)
[2024-09-25T19:20:28.339Z] 	at j9vm.test.unsafe.UnsafeCopyMemoryTest.testCopyLargeArrayIntoRawMemory(UnsafeCopyMemoryTest.java:403)
[2024-09-25T19:20:28.339Z] 	at j9vm.test.unsafe.UnsafeCopyMemoryTest.main(UnsafeCopyMemoryTest.java:455)
[2024-09-25T19:20:28.339Z] non-zero exit value: 1
[2024-09-25T19:20:28.339Z] *** Test FAILED *** (j9vm.test.unsafe.UnsafeCopyMemoryTest)

[github-actions]

Issue Number: 20451
Status: Open
Recommended Components: comp:gc, comp:test, comp:vm
Recommended Assignees: jasonfengj9, babsingh, llxia

[LinHu2016]

fix PR: #20339