Manifests in java/util/Comparator/BasicTest.java

#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007f946c609a32, pid=3736129, tid=3738319
#
# JRE version: Java(TM) SE Runtime Environment (27.0+1) (fastdebug build 27-valhalla+1-57)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 27-valhalla+1-57, mixed mode, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# J 2384 c1 java.lang.Integer.compareTo(Ljava/lang/Object;)I java.base@27-valhalla (9 bytes) @ 0x00007f946c609a32 [0x00007f946c6099a0+0x0000000000000092]
#
# Core dump will be written. Default location: Determined by the following: "/opt/core.sh %p" (alternatively, falling back to testoutput/test-support/jtreg_open_test_jdk_tier1_part2/scratch/0/core.3736129)
#
# If you would like to submit a bug report, please visit:
# https://bugreport.java.com/bugreport/crash.jsp
#

--------------- S U M M A R Y ------------

Command Line: -Xmx768m -XX:MaxRAMPercentage=4.16667 -Dtest.boot.jdk=jdk/25/37/bundles/linux-x64/jdk-25_linux-x64_bin.tar.gz/jdk-25 -Djava.io.tmpdir=testoutput/test-support/jtreg_open_test_jdk_tier1_part2/tmp -ea -esa --enable-preview -Djava.library.path=jdk-27-valhalla+1-57/linux-x64-debug.test/jdk/jtreg/native --patch-module=java.base=testoutput/test-support/jtreg_open_test_jdk_tier1_part2/patches/java.base -Djava.security.policy=file:./testoutput/test-support/jtreg_open_test_jdk_tier1_part2/jtreg.policy com.sun.javatest.regtest.agent.AgentServer -id 8 -logfile testoutput/test-support/jtreg_open_test_jdk_tier1_part2/jtData/agentServer.8.trace -allowSetSecurityManager -port 38087 -timeoutFactor 4.0

Host: , AMD EPYC 9J14 96-Core Processor, 12 cores, 23G, Oracle Linux Server release 8.10
Time: Thu Jan 22 11:53:59 2026 UTC elapsed time: 67.892330 seconds (0d 0h 1m 7s)

--------------- T H R E A D ---------------

Current thread (0x00007f9484270a50): JavaThread "AgentVMThread" [_thread_in_Java, id=3738319, stack(0x00007f93fb8fa000,0x00007f93fb9fa000) (1024K)]

Stack: [0x00007f93fb8fa000,0x00007f93fb9fa000], sp=0x00007f93fb9f73b8, free space=1012k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
J 2384 c1 java.lang.Integer.compareTo(Ljava/lang/Object;)I java.base@27-valhalla (9 bytes) @ 0x00007f946c609a32 [0x00007f946c6099a0+0x0000000000000092]