We see sporadic failures in the jtreg test gc/shenandoah/TestLargeObjectAlignment.java#generational on aarch64 :

java.lang.OutOfMemoryError: Java heap space
at java.base/java.util.Arrays.copyOf(Arrays.java:3478)
at java.base/java.util.ArrayList.grow(ArrayList.java:238)
at java.base/java.util.ArrayList.grow(ArrayList.java:245)
at java.base/java.util.ArrayList.add(ArrayList.java:484)
at java.base/java.util.ArrayList.add(ArrayList.java:497)
at TestLargeObjectAlignment.createSome(TestLargeObjectAlignment.java:80)
at TestLargeObjectAlignment.main(TestLargeObjectAlignment.java:73)
at java.base/java.lang.invoke.LambdaForm$DMH/0x000003f8000c1800.invokeStatic(LambdaForm$DMH)
at java.base/java.lang.invoke.LambdaForm$MH/0x000003f8000c2c00.invoke(LambdaForm$MH)
at java.base/java.lang.invoke.Invokers$Holder.invokeExact_MT(Invokers$Holder)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invokeImpl(DirectMethodHandleAccessor.java:155)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:565)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.Thread.runWith(Thread.java:1487)
at java.base/java.lang.Thread.run(Thread.java:1474)