The following test failed in the JDK26 CI:

compiler/tiered/NonTieredLevelsTest.java

Here's a snippet from the log file:

#section:main
----------messages:(8/751)----------
command: main -Xbootclasspath/a:. -XX:-TieredCompilation -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCaseHelper::* compiler.tiered.NonTieredLevelsTest
reason: User specified action: run main/othervm -Xbootclasspath/a:. -XX:-TieredCompilation -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCaseHelper::* compiler.tiered.NonTieredLevelsTest
started: Mon Oct 13 20:59:04 GMT 2025
Mode: othervm [/othervm specified]
Additional options from @modules: --add-modules java.base,java.management --add-exports java.base/jdk.internal.misc=ALL-UNNAMED
Process id: 81473
finished: Mon Oct 13 20:59:06 GMT 2025
elapsed time (seconds): 1.411
----------configuration:(4/111)----------

<snip>

----------System.out:(110/2764)----------
CompileCommand: compileonly compiler/whitebox/SimpleTestCaseHelper.* bool compileonly = true
TEST CASE:CONSTRUCTOR_TEST
at test's start:

private compiler.whitebox.SimpleTestCaseHelper(int):
compilable: true
compiled: false
comp_level: 0
osr_compilable: true
osr_compiled: false
osr_comp_level: 0
in_queue: false
compile_queues_size: 0

WB error: no compiler for requested compilation level 1
WB error: no compiler for requested compilation level 2
WB error: no compiler for requested compilation level 3
at test's end:

private compiler.whitebox.SimpleTestCaseHelper(int):
compilable: true
compiled: false
comp_level: 0
osr_compilable: true
osr_compiled: false
osr_comp_level: 0
in_queue: false
compile_queues_size: 0

TEST CASE:METHOD_TEST
at test's start:

private int compiler.whitebox.SimpleTestCaseHelper.method():
compilable: true
compiled: false
comp_level: 0
osr_compilable: true
osr_compiled: false
osr_comp_level: 0
in_queue: false
compile_queues_size: 0

WB error: no compiler for requested compilation level 1
WB error: no compiler for requested compilation level 2
WB error: no compiler for requested compilation level 3
at test's end:

private int compiler.whitebox.SimpleTestCaseHelper.method():
compilable: true
compiled: false
comp_level: 0
osr_compilable: true
osr_compiled: false
osr_comp_level: 0
in_queue: false
compile_queues_size: 0

TEST CASE:STATIC_TEST
at test's start:

private static int compiler.whitebox.SimpleTestCaseHelper.staticMethod():
compilable: true
compiled: false
comp_level: 0
osr_compilable: true
osr_compiled: false
osr_comp_level: 0
in_queue: false
compile_queues_size: 0

WB error: no compiler for requested compilation level 1
WB error: no compiler for requested compilation level 2
WB error: no compiler for requested compilation level 3
at test's end:

private static int compiler.whitebox.SimpleTestCaseHelper.staticMethod():
compilable: true
compiled: false
comp_level: 0
osr_compilable: true
osr_compiled: false
osr_comp_level: 0
in_queue: false
compile_queues_size: 0

TEST CASE:OSR_CONSTRUCTOR_TEST
at test's start:

private compiler.whitebox.SimpleTestCaseHelper(java.lang.Object,long) throws java.lang.Exception:
compilable: true
compiled: false
comp_level: 0
osr_compilable: true
osr_compiled: false
osr_comp_level: 0
in_queue: false
compile_queues_size: 0

on exception 'private compiler.whitebox.SimpleTestCaseHelper(java.lang.Object,long) throws java.lang.Exception must be osr_compiled':
private compiler.whitebox.SimpleTestCaseHelper(java.lang.Object,long) throws java.lang.Exception:
compilable: true
compiled: true
compile_id: 60
comp_level: 4
osr_compilable: true
osr_compiled: false
osr_comp_level: 0
in_queue: false
compile_queues_size: 0

----------System.err:(27/2279)----------
java.lang.RuntimeException: private compiler.whitebox.SimpleTestCaseHelper(java.lang.Object,long) throws java.lang.Exception must be osr_compiled
at compiler.whitebox.CompilerWhiteBoxTest.checkCompiled(CompilerWhiteBoxTest.java:280)
at compiler.whitebox.CompilerWhiteBoxTest.checkCompiled(CompilerWhiteBoxTest.java:258)
at compiler.tiered.NonTieredLevelsTest.test(NonTieredLevelsTest.java:81)
at compiler.whitebox.CompilerWhiteBoxTest.runTest(CompilerWhiteBoxTest.java:166)
at compiler.whitebox.CompilerWhiteBoxTest.main(CompilerWhiteBoxTest.java:125)
at compiler.tiered.NonTieredLevelsTest.main(NonTieredLevelsTest.java:65)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:565)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.Thread.run(Thread.java:1474)
java.lang.RuntimeException: private compiler.whitebox.SimpleTestCaseHelper(java.lang.Object,long) throws java.lang.Exception must be osr_compiled
at compiler.whitebox.CompilerWhiteBoxTest.checkCompiled(CompilerWhiteBoxTest.java:280)
at compiler.whitebox.CompilerWhiteBoxTest.checkCompiled(CompilerWhiteBoxTest.java:258)
at compiler.tiered.NonTieredLevelsTest.test(NonTieredLevelsTest.java:81)
at compiler.whitebox.CompilerWhiteBoxTest.runTest(CompilerWhiteBoxTest.java:166)
at compiler.whitebox.CompilerWhiteBoxTest.main(CompilerWhiteBoxTest.java:125)
at compiler.tiered.NonTieredLevelsTest.main(NonTieredLevelsTest.java:65)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:565)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.Thread.run(Thread.java:1474)

JavaTest Message: Test threw exception: java.lang.RuntimeException: private compiler.whitebox.SimpleTestCaseHelper(java.lang.Object,long) throws java.lang.Exception must be osr_compiled
JavaTest Message: shutting down test