The following test failed in the JDK19 CI:

testlibrary_tests/ir_framework/tests/TestScenarios.java

Here's a snippet from the log file:

The following scenarios have failed: #1

Scenario #1
===========
Scenario flags: [-XX:TLABRefillWasteFraction=51]

Command Line:
c:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-19+21-1420\\windows-x64-debug.jdk\\jdk-19\\fastdebug\\bin\\java.exe -DReproduce=true -cp T:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_misc\\classes\\3\\testlibrary_tests\\ir_framework\\tests\\TestScenarios.d;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-19+21-1420\\src.full\\open\\test\\hotspot\\jtreg\\testlibrary_tests\\ir_framework\\tests;T:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_misc\\classes\\3\\test\\lib;T:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_misc\\classes\\3\\testlibrary_tests;T:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_misc\\classes\\3;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\6.1\\1\\bundles\\jtreg-6.1+1.zip\\jtreg\\lib\\javatest.jar;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\6.1\\1\\bundles\\jtreg-6.1+1.zip\\jtreg\\lib\\jtreg.jar;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\6.1\\1\\bundles\\jtreg-6.1+1.zip\\jtreg\\lib\\junit.jar;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\6.1\\1\\bundles\\jtreg-6.1+1.zip\\jtreg\\lib\\hamcrest.jar;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\6.1\\1\\bundles\\jtreg-6.1+1.zip\\jtreg\\lib\\testng.jar;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\6.1\\1\\bundles\\jtreg-6.1+1.zip\\jtreg\\lib\\jcommander.jar;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\6.1\\1\\bundles\\jtreg-6.1+1.zip\\jtreg\\lib\\guice.jar -Djava.library.path=c:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-19+21-1420\\windows-x64-debug.test\\hotspot\\jtreg\\native -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:MaxRAMPercentage=4.16667 -Djava.io.tmpdir=t:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_hotspot_misc\\tmp -Dir.framework.server.port=53528 -XX:TLABRefillWasteFraction=51 -XX:+PrintCompilation -XX:+UnlockDiagnosticVMOptions -XX:+LogCompilation -XX:CompileCommand=log,ir_framework.tests.TestScenarios::* -XX:CompileCommand=option,ir_framework.tests.TestScenarios::*,bool,PrintIdeal,true -XX:CompileCommand=option,ir_framework.tests.TestScenarios::*,bool,PrintOptoAssembly,true -XX:-OmitStackTraceInFastThrow -DShouldDoIRVerification=true -XX:-BackgroundCompilation -XX:CompileCommand=quiet compiler.lib.ir_framework.test.TestVM ir_framework.tests.TestScenarios

One or more @IR rules failed:

Failed IR Rules (1) of Methods (1)
----------------------------------
1) Method "public void ir_framework.tests.TestScenarios.failS3()" - [Failed IR rules: 1]:
   * @IR rule 1: "@compiler.lib.ir_framework.IR(applyIfAnd={}, applyIf={"TLABRefillWasteFraction", "51"}, failOn={}, applyIfOr={}, counts={"(\\\\d+(\\\\s){2}(Call.*Java.*)+(\\\\s){2}===.*)", "1"}, applyIfNot={})"
     - counts: Graph contains wrong number of nodes:
       * Regex 1: (\\d+(\\s){2}(Call.*Java.*)+(\\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.
  #############################################################


java.lang.RuntimeException: The following scenarios have failed: #1. Please check stderr for more information.: expected true, was false
	at jdk.test.lib.Asserts.fail(Asserts.java:594)
	at jdk.test.lib.Asserts.assertTrue(Asserts.java:486)
	at ir_framework.tests.TestScenarios.main(TestScenarios.java:66)
	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: java.lang.RuntimeException
JavaTest Message: shutting down test

result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: The following scenarios have failed: #1. Please check stderr for more information.: expected true, was false