The docs task in tier1 seems to trip a new assertion added by JDK-8347474.

[2025-01-19T15:31:59,973Z] Generating JDK_API javadoc for 58 modules
[2025-01-19T15:32:00,198Z] error: fatal error encountered: java.lang.AssertionError: ignored flag: -XDignore.symbol.file
[2025-01-19T15:32:00,198Z] error: Please file a bug against the javadoc tool via the Java bug reporting page
[2025-01-19T15:32:00,198Z] (https://bugreport.java.com) after checking the Bug Database (https://bugs.java.com)
[2025-01-19T15:32:00,198Z] for duplicates. Include error messages and the following diagnostic in your report. Thank you.
[2025-01-19T15:32:00,198Z] java.lang.AssertionError: ignored flag: -XDignore.symbol.file
[2025-01-19T15:32:00,199Z] at jdk.compiler/com.sun.tools.javac.util.Assert.error(Assert.java:162)
[2025-01-19T15:32:00,199Z] at jdk.compiler/com.sun.tools.javac.util.Assert.check(Assert.java:104)
[2025-01-19T15:32:00,199Z] at jdk.compiler/com.sun.tools.javac.util.Options.lambda$computeIfReady$0(Options.java:243)
[2025-01-19T15:32:00,199Z] at jdk.compiler/com.sun.tools.javac.util.Options.notifyListeners(Options.java:212)
[2025-01-19T15:32:00,199Z] at jdk.javadoc/jdk.javadoc.internal.tool.Start.parseAndExecute(Start.java:553)
[2025-01-19T15:32:00,199Z] at jdk.javadoc/jdk.javadoc.internal.tool.Start.begin(Start.java:399)
[2025-01-19T15:32:00,199Z] at jdk.javadoc/jdk.javadoc.internal.tool.Start.begin(Start.java:348)
[2025-01-19T15:32:00,199Z] at jdk.javadoc/jdk.javadoc.internal.tool.Main.execute(Main.java:57)
[2025-01-19T15:32:00,199Z] at jdk.javadoc/jdk.javadoc.internal.tool.Main.main(Main.java:46)