On AIX platform, test/hotspot/jtreg/serviceability/jvmti/FieldAccessWatch/FieldAccessWatch.java testcase failed by single testcase execution.

On 11.0.16, AIX's compiler is changed from XL C++ 13.1.3 (xlc/xlC) to XL C++ 16.1 (xlclang/xlclang++).
FieldAccessWatch testcase was failed during compiler migration on jtreg tier1.
By single testcase execution, It worked fine with xlc compiler, but it did not work as expected with xlclang.
I did not see this issue jtreg tier1 testcases execution on jdk17u-dev/jdk, but I could recreate this issue on jdk17u-dev/jdk by single testcae execution.

Failure message is:
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Error occurred during initialization of VM
agent library failed to init: FieldAccessWatch
Failed to set capabilities, error: 98
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It seems following initialization code affects this issue
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jvmtiCapabilities caps = {0};
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