gc/g1/humongousObjects/TestHeapCounters.java on test jdk C:\jprt\T\P1\172837.rprotaci\testproduct\windows_x64_6.3-fastdebug failed once on a JPRT run with the following message, passed with no issues upon rerun.

STDERR:
java.lang.RuntimeException: Counter of type returned wrong allocation size: expected 1048576 >= 1782579
at jdk.test.lib.Asserts.fail(Asserts.java:594)
at jdk.test.lib.Asserts.assertGreaterThanOrEqual(Asserts.java:288)
at gc.g1.humongousObjects.TestHeapCounters.lambda$main$0(TestHeapCounters.java:186)
at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1492)
at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:591)
at gc.g1.humongousObjects.TestHeapCounters.main(TestHeapCounters.java:177)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:563)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:110)
at java.base/java.lang.Thread.run(Thread.java:844)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Counter of type returned wrong allocation size: expected 1048576 >= 1782579