The following test failed in the Valhalla CI:

compiler/valhalla/inlinetypes/TestIntrinsics.java#id1

Here's a snippet from the log file:

#section:main
----------messages:(8/700)----------
command: main -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI compiler.valhalla.inlinetypes.TestIntrinsics 1
reason: User specified action: run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI compiler.valhalla.inlinetypes.TestIntrinsics 1
started: Sat Jan 03 12:19:50.705 UTC 2026
Mode: othervm [/othervm specified]
Additional options from @modules: --add-modules java.base --add-exports java.base/jdk.internal.misc=ALL-UNNAMED --add-exports java.base/jdk.internal.value=ALL-UNNAMED --add-exports java.base/jdk.internal.vm.annotation=ALL-UNNAMED
Process id: 53788
finished: Sat Jan 03 12:21:22.634 UTC 2026
elapsed time (seconds): 91.929
----------configuration:(6/263)----------
Boot Layer
  add modules: java.base
  add exports: java.base/jdk.internal.misc ALL-UNNAMED
               java.base/jdk.internal.value ALL-UNNAMED
               java.base/jdk.internal.vm.annotation ALL-UNNAMED

----------System.out:(17/4611)*----------
For random generator using seed: 862233361
To re-run test with same seed value please add "-Djdk.test.lib.random.seed=862233361" to command line.
IR verification disabled due to the following reason(s):
- Running with -Xcomp (use warm-up of 0 instead)
- Using non-whitelisted JTreg VM or Javaoptions flag(s):
  - Xcomp
  - DeoptimizeALot

Scenario #1 - [--enable-preview, --add-exports, java.base/jdk.internal.value=ALL-UNNAMED, --add-exports, java.base/jdk.internal.vm.annotation=ALL-UNNAMED, --add-exports, java.base/jdk.internal.misc=ALL-UNNAMED, -XX:+IgnoreUnrecognizedVMOptions, -XX:-UseACmpProfile, -XX:-UseCompressedOops, -XX:FlatArrayElementMaxOops=5, -XX:+UseArrayFlattening, -XX:-UseArrayLoadStoreProfile, -XX:+UseFieldFlattening, -XX:-InlineTypePassFieldsAsArgs, -XX:-InlineTypeReturnedAsFields]:
Skip Flag VM due to not performing IR verification.
Run Test VM - [-Xbootclasspath/a:., -XX:+UnlockDiagnosticVMOptions, -XX:+WhiteBoxAPI, -XX:CompileCommand=inline,jdk.internal.misc.Unsafe::*, --add-exports, java.base/jdk.internal.misc=ALL-UNNAMED, --add-exports, java.base/jdk.internal.value=ALL-UNNAMED, -XX:+IgnoreUnrecognizedVMOptions -XX:VerifyIterativeGVN=000, -XX:+UseAltSubstitutabilityMethod, --enable-preview, --add-exports, java.base/jdk.internal.value=ALL-UNNAMED, --add-exports, java.base/jdk.internal.vm.annotation=ALL-UNNAMED, --add-exports, java.base/jdk.internal.misc=ALL-UNNAMED, -XX:+IgnoreUnrecognizedVMOptions, -XX:-UseACmpProfile, -XX:-UseCompressedOops, -XX:FlatArrayElementMaxOops=5, -XX:+UseArrayFlattening, -XX:-UseArrayLoadStoreProfile, -XX:+UseFieldFlattening, -XX:-InlineTypePassFieldsAsArgs, -XX:-InlineTypeReturnedAsFields]:
Command line: [c:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-27-valhalla+1-16\\windows-x64-debug.jdk\\jdk-27\\fastdebug\\bin\\java.exe -cp C:\\sb\\prod\\1767436180\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_tier1_compiler_3\\classes\\5\\compiler\\valhalla\\inlinetypes\\TestIntrinsics_id1.d;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-27-valhalla+1-16\\src.full\\open\\test\\hotspot\\jtreg\\compiler\\valhalla\\inlinetypes;C:\\sb\\prod\\1767436180\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_tier1_compiler_3\\classes\\5\\compiler\\valhalla\\inlinetypes\\TestIntrinsics_id1.d\\test\\lib;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-27-valhalla+1-16\\src.full\\open\\test\\lib;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-27-valhalla+1-16\\src.full\\open\\test\\hotspot\\jtreg;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\8.1\\1\\bundles\\jtreg-8.1+1.zip\\jtreg\\lib\\jtreg.jar -Djava.library.path=c:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-27-valhalla+1-16\\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\\25\\37\\bundles\\windows-x64\\jdk-25_windows-x64_bin.zip\\jdk-25 -Djava.io.tmpdir=c:\\sb\\prod\\1767436180\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_tier1_compiler_3\\tmp -XX:+CreateCoredumpOnCrash -Xcomp -ea -esa -XX:+UnlockExperimentalVMOptions -server -XX:-TieredCompilation -XX:+DeoptimizeALot -Dir.framework.server.port=65112 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=inline,jdk.internal.misc.Unsafe::* --add-exports java.base/jdk.internal.misc=ALL-UNNAMED --add-exports java.base/jdk.internal.value=ALL-UNNAMED -XX:+IgnoreUnrecognizedVMOptions -XX:VerifyIterativeGVN=000 -XX:+UseAltSubstitutabilityMethod --enable-preview --add-exports java.base/jdk.internal.value=ALL-UNNAMED --add-exports java.base/jdk.internal.vm.annotation=ALL-UNNAMED --add-exports java.base/jdk.internal.misc=ALL-UNNAMED -XX:+IgnoreUnrecognizedVMOptions -XX:-UseACmpProfile -XX:-UseCompressedOops -XX:FlatArrayElementMaxOops=5 -XX:+UseArrayFlattening -XX:-UseArrayLoadStoreProfile -XX:+UseFieldFlattening -XX:-InlineTypePassFieldsAsArgs -XX:-InlineTypeReturnedAsFields -XX:-BackgroundCompilation -XX:CompileCommand=quiet -DWarmup=251 compiler.lib.ir_framework.test.TestVM compiler.valhalla.inlinetypes.TestIntrinsics compiler.valhalla.inlinetypes.MyValue2Inline compiler.valhalla.inlinetypes.MyValue2 compiler.valhalla.inlinetypes.MyValue1 ]
[2026-01-03T12:20:38.419695200Z] Gathering output for process 102896
[2026-01-03T12:20:40.268700600Z] Waiting for completion for process 102896
[2026-01-03T12:21:20.537416Z] Waiting for completion finished for process 102896
Output and diagnostic info for process 102896 was saved into 'pid-102896-output.log'

----------System.err:(72/6627)*----------
The following scenarios have failed: #1

Scenario #1
===========
Scenario flags: [--enable-preview, --add-exports, java.base/jdk.internal.value=ALL-UNNAMED, --add-exports, java.base/jdk.internal.vm.annotation=ALL-UNNAMED, --add-exports, java.base/jdk.internal.misc=ALL-UNNAMED, -XX:+IgnoreUnrecognizedVMOptions, -XX:-UseACmpProfile, -XX:-UseCompressedOops, -XX:FlatArrayElementMaxOops=5, -XX:+UseArrayFlattening, -XX:-UseArrayLoadStoreProfile, -XX:+UseFieldFlattening, -XX:-InlineTypePassFieldsAsArgs, -XX:-InlineTypeReturnedAsFields]

TestFramework test VM exited with code 1

Command Line:
c:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-27-valhalla+1-16\\windows-x64-debug.jdk\\jdk-27\\fastdebug\\bin\\java.exe -DReproduce=true -cp C:\\sb\\prod\\1767436180\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_tier1_compiler_3\\classes\\5\\compiler\\valhalla\\inlinetypes\\TestIntrinsics_id1.d;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-27-valhalla+1-16\\src.full\\open\\test\\hotspot\\jtreg\\compiler\\valhalla\\inlinetypes;C:\\sb\\prod\\1767436180\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_tier1_compiler_3\\classes\\5\\compiler\\valhalla\\inlinetypes\\TestIntrinsics_id1.d\\test\\lib;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-27-valhalla+1-16\\src.full\\open\\test\\lib;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-27-valhalla+1-16\\src.full\\open\\test\\hotspot\\jtreg;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\8.1\\1\\bundles\\jtreg-8.1+1.zip\\jtreg\\lib\\jtreg.jar -Djava.library.path=c:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-27-valhalla+1-16\\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\\25\\37\\bundles\\windows-x64\\jdk-25_windows-x64_bin.zip\\jdk-25 -Djava.io.tmpdir=c:\\sb\\prod\\1767436180\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_tier1_compiler_3\\tmp -XX:+CreateCoredumpOnCrash -Xcomp -ea -esa -XX:+UnlockExperimentalVMOptions -server -XX:-TieredCompilation -XX:+DeoptimizeALot -Dir.framework.server.port=65112 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=inline,jdk.internal.misc.Unsafe::* --add-exports java.base/jdk.internal.misc=ALL-UNNAMED --add-exports java.base/jdk.internal.value=ALL-UNNAMED -XX:+IgnoreUnrecognizedVMOptions -XX:VerifyIterativeGVN=000 -XX:+UseAltSubstitutabilityMethod --enable-preview --add-exports java.base/jdk.internal.value=ALL-UNNAMED --add-exports java.base/jdk.internal.vm.annotation=ALL-UNNAMED --add-exports java.base/jdk.internal.misc=ALL-UNNAMED -XX:+IgnoreUnrecognizedVMOptions -XX:-UseACmpProfile -XX:-UseCompressedOops -XX:FlatArrayElementMaxOops=5 -XX:+UseArrayFlattening -XX:-UseArrayLoadStoreProfile -XX:+UseFieldFlattening -XX:-InlineTypePassFieldsAsArgs -XX:-InlineTypeReturnedAsFields -XX:-BackgroundCompilation -XX:CompileCommand=quiet -DWarmup=251 compiler.lib.ir_framework.test.TestVM compiler.valhalla.inlinetypes.TestIntrinsics compiler.valhalla.inlinetypes.MyValue2Inline compiler.valhalla.inlinetypes.MyValue2 compiler.valhalla.inlinetypes.MyValue1


Error Output
------------
Exception in thread "main" compiler.lib.ir_framework.shared.TestRunException:

Test Failures (1)
-----------------
Custom Run Test: @Run: test39_verifier - @Test: test39:
compiler.lib.ir_framework.shared.TestRunException: There was an error while invoking @Run method public void compiler.valhalla.inlinetypes.TestIntrinsics.test39_verifier()
at compiler.lib.ir_framework.test.CustomRunTest.invokeTest(CustomRunTest.java:162)
at compiler.lib.ir_framework.test.AbstractTest.run(AbstractTest.java:105)
at compiler.lib.ir_framework.test.CustomRunTest.run(CustomRunTest.java:89)
at compiler.lib.ir_framework.test.TestVM.runTests(TestVM.java:869)
at compiler.lib.ir_framework.test.TestVM.start(TestVM.java:256)
at compiler.lib.ir_framework.test.TestVM.main(TestVM.java:169)
Caused by: java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:119)
at java.base/java.lang.reflect.Method.invoke(Method.java:565)
at compiler.lib.ir_framework.test.CustomRunTest.invokeTest(CustomRunTest.java:159)
... 5 more
Caused by: java.lang.RuntimeException: assertEquals expected: -46 but was: -1202
at jdk.test.lib.Asserts.fail(Asserts.java:715)
at jdk.test.lib.Asserts.assertEquals(Asserts.java:208)
at jdk.test.lib.Asserts.assertEquals(Asserts.java:195)
at jdk.test.lib.Asserts.assertEQ(Asserts.java:172)
at compiler.valhalla.inlinetypes.TestIntrinsics.test39_verifier(TestIntrinsics.java:881)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
... 7 more



at compiler.lib.ir_framework.test.TestVM.runTests(TestVM.java:905)
at compiler.lib.ir_framework.test.TestVM.start(TestVM.java:256)
at compiler.lib.ir_framework.test.TestVM.main(TestVM.java:169)

The key parts of the log file appear to be:

For random generator using seed: 862233361
To re-run test with same seed value please add "-Djdk.test.lib.random.seed=862233361" to command line.

<snip>

Test Failures (1)
-----------------
Custom Run Test: @Run: test39_verifier - @Test: test39:
compiler.lib.ir_framework.shared.TestRunException: There was an error while invoking @Run method public void compiler.valhalla.inlinetypes.TestIntrinsics.test39_verifier()
at compiler.lib.ir_framework.test.CustomRunTest.invokeTest(CustomRunTest.java:162)
at compiler.lib.ir_framework.test.AbstractTest.run(AbstractTest.java:105)
at compiler.lib.ir_framework.test.CustomRunTest.run(CustomRunTest.java:89)
at compiler.lib.ir_framework.test.TestVM.runTests(TestVM.java:869)
at compiler.lib.ir_framework.test.TestVM.start(TestVM.java:256)
at compiler.lib.ir_framework.test.TestVM.main(TestVM.java:169)