gc/g1/ihop/TestIHOPErgo.java failed with OutOfMemoryError

The following test failed in the JDK17 CI:

gc/g1/ihop/TestIHOPErgo.java

Here's a snippet from the log file:

[32.060s][info ][gc,ergo ] Attempting maximally compacting collection
[32.061s][debug][gc,ergo ] GC(84) Running G1 Clear Bitmap with 1 workers for 1 work units.
[32.196s][debug][gc,ergo ] GC(84) Running G1 Clear Bitmap with 1 workers for 1 work units.
[32.347s][debug][gc,ergo ] GC(86) Running G1 Clear Bitmap with 1 workers for 1 work units.
[32.497s][debug][gc,ergo ] GC(87) Running G1 Clear Bitmap with 1 workers for 1 work units.

Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "main"

[2021-02-20T00:23:28.016178119Z] Waiting for completion for process 12939
[2021-02-20T00:23:28.016864151Z] Waiting for completion finished for process 12939
----------System.err:(14/849)----------
java.lang.RuntimeException: AppIHOP failed with exit code1
at gc.g1.ihop.TestIHOPErgo.executeTest(TestIHOPErgo.java:134)
at gc.g1.ihop.TestIHOPErgo.runTest(TestIHOPErgo.java:116)
at gc.g1.ihop.TestIHOPErgo.main(TestIHOPErgo.java:80)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:298)
at java.base/java.lang.Thread.run(Thread.java:831)

JavaTest Message: Test threw exception: java.lang.RuntimeException