The test currently fails with -Xint and -XX:-ValueArrayFlatten. I'll uncomment the problematic code with my next fix:
http://cr.openjdk.java.net/~thartmann/valhalla/lworld_arrays/webrev.00/test/hotspot/jtreg/runtime/valhalla/valuetypes/ValueTypeArray.java.sdiff.html

java.lang.RuntimeException: Expected NPE
at runtime.valhalla.valuetypes.ValueTypeArray.testComposition(ValueTypeArray.java:415)
at runtime.valhalla.valuetypes.ValueTypeArray.run(ValueTypeArray.java:55)
at runtime.valhalla.valuetypes.ValueTypeArray.main(ValueTypeArray.java:46)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:841)