The following test failed in the JDK21 CI:

compiler/vectorapi/VectorLogicalOpIdentityTest.java

Here's a snippet from the log file:

----------System.err:(46/4732)*----------
WARNING: Using incubator modules: jdk.incubator.vector

Command Line:
c:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-21+10-752\\windows-x64-debug.jdk\\jdk-21\\fastdebug\\bin\\java.exe -DReproduce=true -cp C:\\sb\\prod\\1676361812\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_not_fast_compiler\\classes\\3\\compiler\\vectorapi\\VectorLogicalOpIdentityTest.d;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-21+10-752\\src.full\\open\\test\\hotspot\\jtreg\\compiler\\vectorapi;C:\\sb\\prod\\1676361812\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_not_fast_compiler\\classes\\3\\test\\lib;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-21+10-752\\src.full\\open\\test\\lib;C:\\sb\\prod\\1676361812\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_not_fast_compiler\\classes\\3;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-21+10-752\\src.full\\open\\test\\hotspot\\jtreg;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\7.1.1\\1\\bundles\\jtreg-7.1.1+1.zip\\jtreg\\lib\\jtreg.jar -Djava.library.path=c:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-21+10-752\\windows-x64-debug.test\\hotspot\\jtreg\\native -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:MaxRAMPercentage=4.16667 -Dtest.boot.jdk=c:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk\\19\\36\\bundles\\windows-x64\\jdk-19_windows-x64_bin.zip\\jdk-19 -Djava.io.tmpdir=c:\\sb\\prod\\1676361812\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_not_fast_compiler\\tmp -XX:+CreateCoredumpOnCrash -ea -esa -XX:+UnlockExperimentalVMOptions -server -XX:-TieredCompilation -Dir.framework.server.port=63665 --add-modules=jdk.incubator.vector -XX:+PrintCompilation -XX:+UnlockDiagnosticVMOptions -XX:+LogCompilation -XX:CompilerDirectivesFile=test-vm-compile-commands-pid-121248.log -XX:CompilerDirectivesLimit=391 -XX:-OmitStackTraceInFastThrow -DShouldDoIRVerification=true -XX:-BackgroundCompilation -XX:CompileCommand=quiet compiler.lib.ir_framework.test.TestVM compiler.vectorapi.VectorLogicalOpIdentityTest

One or more @IR rules failed:

Failed IR Rules (1) of Methods (1)
----------------------------------
1) Method "public static void compiler.vectorapi.VectorLogicalOpIdentityTest.testAndMaskSameValue1()" - [Failed IR rules: 1]:
   * @IR rule 1: "@compiler.lib.ir_framework.IR(phase={DEFAULT}, applyIfCPUFeatureAnd={}, applyIfCPUFeatureOr={"sve1", "true", "avx512", "true"}, applyIf={}, applyIfCPUFeature={}, counts={"_#AND_V#_", "1"}, failOn={}, applyIfAnd={}, applyIfOr={}, applyIfNot={})"
     > Phase "PrintIdeal":
       - counts: Graph contains wrong number of nodes:
         * Constraint 1: "(\\d+(\\s){2}(AndV.*)+(\\s){2}===.*)"
           - Failed comparison: [found] 0 = 1 [given]
           - No nodes matched!

>>> Check stdout for compilation output of the failed methods


  #############################################################
   - To only run the failed tests use -DTest, -DExclude,
     and/or -DScenarios.
   - To also get the standard output of the test VM run with
     -DReportStdout=true or for even more fine-grained logging
     use -DVerbose=true.
  #############################################################


compiler.lib.ir_framework.driver.irmatching.IRViolationException: There were one or multiple IR rule failures. Please check stderr for more information.
at compiler.lib.ir_framework.driver.irmatching.IRMatcher.reportFailures(IRMatcher.java:61)
at compiler.lib.ir_framework.driver.irmatching.IRMatcher.match(IRMatcher.java:49)
at compiler.lib.ir_framework.TestFramework.runTestVM(TestFramework.java:754)
at compiler.lib.ir_framework.TestFramework.start(TestFramework.java:719)
at compiler.lib.ir_framework.TestFramework.start(TestFramework.java:339)
at compiler.lib.ir_framework.TestFramework.runWithFlags(TestFramework.java:245)
at compiler.vectorapi.VectorLogicalOpIdentityTest.main(VectorLogicalOpIdentityTest.java:763)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:578)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:125)
at java.base/java.lang.Thread.run(Thread.java:1623)

JavaTest Message: Test threw exception: compiler.lib.ir_framework.driver.irmatching.IRViolationException: There were one or multiple IR rule failures. Please check stderr for more information.
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: compiler.lib.ir_framework.driver.irmatching.IRViolationException: There were one or multiple IR rule failures. Please check stderr for more information.
----------rerun:(46/7140)*----------