gc/TestUseGCOverheadLimit.java#G1 fails in our test infrastructure sometimes on macOS aarch64 (9 failure have been seen so far).
end of log of an example failure :
 ....
[46.311s][info ][gc] GC(686) Pause Young (Concurrent Start) (G1 Evacuation Pause) (Evacuation Failure: Allocation) 127M->127M(128M) 14.228ms
[46.311s][debug][gc] GC Overhead Limit: GC Time 89.488501 Free Space 0.000000 Counter 0
[46.311s][info ][gc] GC(688) Concurrent Mark Cycle
[46.313s][debug][gc] GC(687) Clear Bitmap 1.994ms
[46.484s][info ][gc] GC(687) Pause Full (G1 Compaction Pause) 127M->121M(128M) 173.420ms
[46.484s][info ][gc] GC(688) Concurrent Mark Cycle 173.609ms
[46.519s][debug][gc] GC(689) Allocated 0 survivor 0 old percent total 0.00% (10%)
[46.519s][info ][gc] GC(689) Pause Young (Normal) (G1 Evacuation Pause) (Evacuation Failure: Allocation) 127M->127M(128M) 33.855ms
[46.519s][debug][gc] GC Overhead Limit: GC Time 89.862385 Free Space 0.000000 Counter 0
[46.744s][info ][gc] GC(690) Pause Full (G1 Compaction Pause) 127M->121M(128M) 225.117ms
[46.769s][debug][gc] GC(691) Allocated 0 survivor 0 old percent total 0.00% (10%)
[46.769s][info ][gc] GC(691) Pause Young (Concurrent Start) (G1 Evacuation Pause) (Evacuation Failure: Allocation) 127M->127M(128M) 23.232ms
[46.769s][debug][gc] GC Overhead Limit: GC Time 89.725280 Free Space 0.000000 Counter 0
[46.769s][info ][gc] GC(693) Concurrent Mark Cycle
[46.770s][debug][gc] GC(692) Clear Bitmap 0.723ms
[46.968s][info ][gc] GC(692) Pause Full (G1 Compaction Pause) 127M->121M(128M) 199.113ms
[46.968s][info ][gc] GC(693) Concurrent Mark Cycle 199.256ms
[Ljava.lang.Object;@3d012ddd
];
 stderr: []
 exitValue = 0

java.lang.RuntimeException: Unexpected to get exit value of [0]
at jdk.test.lib.process.OutputAnalyzer.shouldNotHaveExitValue(OutputAnalyzer.java:563)
at gc.TestUseGCOverheadLimit.main(TestUseGCOverheadLimit.java:77)
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.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:335)
at java.base/java.lang.Thread.run(Thread.java:1474)