The following test failed in the JDK19 CI:

compiler/c2/irTests/TestEnumFinalFold.java

Here's a snippet from the log file:

----------System.err:(46/5586)*----------

Command Line:
/opt/mach5/mesos/work_dir/jib-master/install/jdk-19+22-1518/linux-x64-debug.jdk/jdk-19/fastdebug/bin/java -DReproduce=true -cp /opt/mach5/mesos/work_dir/slaves/779adf21-f3e5-4e6a-a889-8cc0f9bc6fbb-S14506/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/4981ce79-0dd4-470c-98bb-6ce346eb9c6d/runs/e283214c-0259-411d-8786-ca843e7b5225/testoutput/test-support/jtreg_open_test_hotspot_jtreg_tier1_compiler_1/classes/5/compiler/c2/irTests/TestEnumFinalFold.d:/opt/mach5/mesos/work_dir/jib-master/install/jdk-19+22-1518/src.full/open/test/hotspot/jtreg/compiler/c2/irTests:/opt/mach5/mesos/work_dir/slaves/779adf21-f3e5-4e6a-a889-8cc0f9bc6fbb-S14506/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/4981ce79-0dd4-470c-98bb-6ce346eb9c6d/runs/e283214c-0259-411d-8786-ca843e7b5225/testoutput/test-support/jtreg_open_test_hotspot_jtreg_tier1_compiler_1/classes/5/test/lib:/opt/mach5/mesos/work_dir/slaves/779adf21-f3e5-4e6a-a889-8cc0f9bc6fbb-S14506/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/4981ce79-0dd4-470c-98bb-6ce346eb9c6d/runs/e283214c-0259-411d-8786-ca843e7b5225/testoutput/test-support/jtreg_open_test_hotspot_jtreg_tier1_compiler_1/classes/5:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6.1/1/bundles/jtreg-6.1+1.zip/jtreg/lib/javatest.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6.1/1/bundles/jtreg-6.1+1.zip/jtreg/lib/jtreg.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6.1/1/bundles/jtreg-6.1+1.zip/jtreg/lib/junit.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6.1/1/bundles/jtreg-6.1+1.zip/jtreg/lib/hamcrest.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6.1/1/bundles/jtreg-6.1+1.zip/jtreg/lib/testng.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6.1/1/bundles/jtreg-6.1+1.zip/jtreg/lib/jcommander.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/6.1/1/bundles/jtreg-6.1+1.zip/jtreg/lib/guice.jar -Djava.library.path=/opt/mach5/mesos/work_dir/jib-master/install/jdk-19+22-1518/linux-x64-debug.test/hotspot/jtreg/native -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:MaxRAMPercentage=4.16667 -Djava.io.tmpdir=/opt/mach5/mesos/work_dir/slaves/779adf21-f3e5-4e6a-a889-8cc0f9bc6fbb-S14506/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/4981ce79-0dd4-470c-98bb-6ce346eb9c6d/runs/e283214c-0259-411d-8786-ca843e7b5225/testoutput/test-support/jtreg_open_test_hotspot_jtreg_tier1_compiler_1/tmp -XX:+CreateCoredumpOnCrash -ea -esa -XX:+UnlockExperimentalVMOptions -server -XX:-TieredCompilation -Dir.framework.server.port=35791 -XX:+PrintCompilation -XX:+UnlockDiagnosticVMOptions -XX:+LogCompilation -XX:CompileCommand=log,compiler.c2.irTests.TestEnumFinalFold::* -XX:CompileCommand=option,compiler.c2.irTests.TestEnumFinalFold::*,bool,PrintIdeal,true -XX:CompileCommand=option,compiler.c2.irTests.TestEnumFinalFold::*,bool,PrintOptoAssembly,true -XX:-OmitStackTraceInFastThrow -DShouldDoIRVerification=true -XX:-BackgroundCompilation -XX:CompileCommand=quiet compiler.lib.ir_framework.test.TestVM compiler.c2.irTests.TestEnumFinalFold

One or more @IR rules failed:

Failed IR Rules (1) of Methods (1)
----------------------------------
1) Method "public int compiler.c2.irTests.TestEnumFinalFold.testNameLengthSum()" - [Failed IR rules: 1]:
   * @IR rule 1: "@compiler.lib.ir_framework.IR(applyIf={}, applyIfAnd={}, failOn={"(\\\\d+(\\\\s){2}(AddI.*)+(\\\\s){2}===.*)"}, applyIfOr={}, counts={}, applyIfNot={})"
     - failOn: Graph contains forbidden nodes:
       * Regex 1: (\\d+(\\s){2}(AddI.*)+(\\s){2}===.*)
         - Matched forbidden node:
           * 129 AddI === _ 115 68 [[ 130 ]] !jvms: TestEnumFinalFold::testNameLengthSum @ bci:18 (line 62)

>>> 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.throwIfNoSafepointWhilePrinting(IRMatcher.java:91)
at compiler.lib.ir_framework.driver.irmatching.IRMatcher.reportFailures(IRMatcher.java:82)
at compiler.lib.ir_framework.driver.irmatching.IRMatcher.applyIRRules(IRMatcher.java:54)
at compiler.lib.ir_framework.driver.irmatching.IRMatcher.<init>(IRMatcher.java:43)
at compiler.lib.ir_framework.TestFramework.runTestVM(TestFramework.java:702)
at compiler.lib.ir_framework.TestFramework.start(TestFramework.java:671)
at compiler.lib.ir_framework.TestFramework.start(TestFramework.java:324)
at compiler.lib.ir_framework.TestFramework.run(TestFramework.java:210)
at compiler.lib.ir_framework.TestFramework.run(TestFramework.java:199)
at compiler.c2.irTests.TestEnumFinalFold.main(TestEnumFinalFold.java:40)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:578)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:312)
at java.base/java.lang.Thread.run(Thread.java:828)

JavaTest Message: Test threw exception: compiler.lib.ir_framework.driver.irmatching.IRViolationException
JavaTest Message: shutting down test

result: Failed. Execution 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.