The following test failed in the Valhalla CI:

java/util/Collection/IteratorAtEnd.java

Here's a snippet from the log file:

#section:main
----------messages:(8/257)----------
command: main IteratorAtEnd
reason: Assumed action based on file name: run main IteratorAtEnd
started: Fri Jan 16 19:00:16.901 UTC 2026
Mode: agentvm
Agent id: 13
Process id: 3536997
finished: Fri Jan 16 19:00:17.177 UTC 2026
elapsed time (seconds): 0.276
----------configuration:(12/1433)----------

<snip>

----------System.err:(20/1141)----------
java.lang.IllegalStateException
at java.base/java.util.WeakHashMap$HashIterator.remove(WeakHashMap.java:854)
at IteratorAtEnd.test(IteratorAtEnd.java:114)
at IteratorAtEnd.testMap(IteratorAtEnd.java:105)
at IteratorAtEnd.realMain(IteratorAtEnd.java:84)
at IteratorAtEnd.main(IteratorAtEnd.java:156)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:565)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:335)
at java.base/java.lang.Thread.run(Thread.java:1516)
java.lang.AssertionError: Some tests failed
at IteratorAtEnd.main(IteratorAtEnd.java:158)
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:1516)

JavaTest Message: Test threw exception: java.lang.AssertionError
JavaTest Message: shutting down test

----------System.out:(3/26)----------

Passed = 91, failed = 1

result: Failed. Execution failed: `main' threw exception: java.lang.AssertionError: Some tests failed