The test fails on Mac with the following output:

test: testOneModule
Exception running test testOneModule: java.lang.AssertionError: Classfile update!
java.lang.AssertionError: Classfile update!
at MOptionTest.testOneModule(MOptionTest.java:106)
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:547)
at toolbox.TestRunner.runTests(TestRunner.java:89)
at ModuleTestBase.runTests(ModuleTestBase.java:50)
at MOptionTest.main(MOptionTest.java:46)
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:547)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:230)
at java.base/java.lang.Thread.run(Thread.java:844)

test: testNoOutputDir
[DIRECT]:
- compiler.err.output.dir.must.be.specified.with.dash.m.option

test: testNoModuleSourcePath
[DIRECT]:
- compiler.err.modulesourcepath.must.be.specified.with.dash.m.option

test: testMultiModule
Exception running test testMultiModule: java.lang.AssertionError: Classfile update!
java.lang.AssertionError: Classfile update!
at MOptionTest.testMultiModule(MOptionTest.java:249)
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:547)
at toolbox.TestRunner.runTests(TestRunner.java:89)
at ModuleTestBase.runTests(ModuleTestBase.java:50)
at MOptionTest.main(MOptionTest.java:46)
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:547)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:230)
at java.base/java.lang.Thread.run(Thread.java:844)

4 tests, 2 errors
java.lang.Exception: 2 errors found
at toolbox.TestRunner.runTests(TestRunner.java:116)
at ModuleTestBase.runTests(ModuleTestBase.java:50)
at MOptionTest.main(MOptionTest.java:46)
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:547)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:230)
at java.base/java.lang.Thread.run(Thread.java:844)


Looks like it started failing after JDK-8175057