The following test failed in the JDK23 CI:

compiler/codecache/CodeCacheFullCountTest.java

Here's a snippet from the log file:

#section:main
----------messages:(7/247)----------
command: main CodeCacheFullCountTest
reason: Assumed action based on file name: run main CodeCacheFullCountTest
started: Tue Feb 20 09:39:05 GMT 2024
Mode: agentvm
Agent id: 6
finished: Tue Feb 20 09:39:23 GMT 2024
elapsed time (seconds): 17.624
----------configuration:(14/2009)----------

<snip>

----------System.out:(5/2608)----------
Command line: [/System/Volumes/Data/mesos/work_dir/jib-master/install/jdk-23+11-763/macosx-aarch64-debug.jdk/jdk-23/fastdebug/bin/java -cp /System/Volumes/Data/mesos/work_dir/slaves/412fde1c-3e26-4c3d-b41e-bab008e2c85d-S252/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/33a54bc1-5639-460d-9b04-5e85baa171ed/runs/d1a3e7cb-38b2-4500-812e-706ebd6fe63b/testoutput/test-support/jtreg_open_test_hotspot_jtreg_tier1_compiler_2/classes/0/compiler/codecache/CodeCacheFullCountTest.d:/System/Volumes/Data/mesos/work_dir/jib-master/install/jdk-23+11-763/src.full/open/test/hotspot/jtreg/compiler/codecache:/System/Volumes/Data/mesos/work_dir/slaves/412fde1c-3e26-4c3d-b41e-bab008e2c85d-S252/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/33a54bc1-5639-460d-9b04-5e85baa171ed/runs/d1a3e7cb-38b2-4500-812e-706ebd6fe63b/testoutput/test-support/jtreg_open_test_hotspot_jtreg_tier1_compiler_2/classes/0/test/lib:/System/Volumes/Data/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/jtreg.jar:/System/Volumes/Data/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/junit-platform-console-standalone-1.9.2.jar:/System/Volumes/Data/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/testng-7.3.0.jar:/System/Volumes/Data/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/jcommander-1.82.jar:/System/Volumes/Data/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/guice-5.1.0.jar -XX:MaxRAMPercentage=6.25 -Dtest.boot.jdk=/System/Volumes/Data/mesos/work_dir/jib-master/install/jdk/21/35/bundles/macos-aarch64/jdk-21_macos-aarch64_bin.tar.gz/jdk-21.jdk/Contents/Home -Djava.io.tmpdir=/System/Volumes/Data/mesos/work_dir/slaves/412fde1c-3e26-4c3d-b41e-bab008e2c85d-S252/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/33a54bc1-5639-460d-9b04-5e85baa171ed/runs/d1a3e7cb-38b2-4500-812e-706ebd6fe63b/testoutput/test-support/jtreg_open_test_hotspot_jtreg_tier1_compiler_2/tmp -Xcomp -ea -esa -XX:CompileThreshold=100 -XX:+UnlockExperimentalVMOptions -server -XX:-TieredCompilation -XX:+DeoptimizeALot -XX:ReservedCodeCacheSize=2496k -XX:-UseCodeCacheFlushing -XX:-MethodFlushing CodeCacheFullCountTest WasteCodeCache ]
[2024-02-20T09:39:21.513520Z] Gathering output for process 22884
[2024-02-20T09:39:22.290235Z] Waiting for completion for process 22884
[2024-02-20T09:39:22.572671Z] Waiting for completion finished for process 22884
Output and diagnostic info for process 22884 was saved into 'pid-22884-output.log'
----------System.err:(27/1526)----------
 stdout: [[1.477s][warning][codecache] CodeCache is full. Compiler has been disabled.
[1.477s][warning][codecache] Try increasing the code cache size using -XX:ReservedCodeCacheSize=
CodeCache: size=2496Kb used=2479Kb max_used=2487Kb free=16Kb
 bounds [0x0000000104790000, 0x0000000104a00000, 0x0000000104a00000]
 total_blobs=1206, nmethods=529, adapters=630, full_count=1
Compilation: disabled (not enough contiguous free space left), stopped_count=0, restarted_count=0
Error occurred during initialization of VM
java.lang.OutOfMemoryError: Initial size of CodeCache is too small

];
 stderr: [Java HotSpot(TM) 64-Bit Server VM warning: CodeCache is full. Compiler has been disabled.
Java HotSpot(TM) 64-Bit Server VM warning: Try increasing the code cache size using -XX:ReservedCodeCacheSize=
Java HotSpot(TM) 64-Bit Server VM warning: C2 initialization failed. Shutting down all compilers
]
 exitValue = 1

java.lang.RuntimeException: VM finished with exit code 1
at CodeCacheFullCountTest.runTest(CodeCacheFullCountTest.java:72)
at CodeCacheFullCountTest.main(CodeCacheFullCountTest.java:44)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1575)

JavaTest Message: Test threw exception: java.lang.RuntimeException
JavaTest Message: shutting down test

result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: VM finished with exit code 1