Log:

 CompileCommand: compileonly TestLargeMonitorOffset.* bool compileonly = true
  89 Prolog === [[ ]] [140000000089]
 --- MachPrologNode ---
   # stack bang
   push_frame -200
   nmethod entry barrier
    n_size (88), current_offset (92), instr_offset (2)
 [0.379s][warning][os] Loading hsdis library failed
 
 Loading hsdis library failed, undisassembled code is shown in MachCode section
 [MachCode]
   0x000003ff6779ce82: ebde f000 e851 | ebde f000 e751 | ebde f000 e651 | ebde f000 e551 | e3e0 f008 0024 | b904 000f
   0x000003ff6779cea4: a7fb ff38 | e300 f000 0024 | c008 baad babe | c009 dead beef | 0700 | c018 0000 03ff | c019 6780 d0c0
   0x000003ff6779cec8: e300 8020 0004 | c20d 0000 0000 | c0e0 0000 0004 | 0761 |
 [/MachCode]
  -------------------
 
 Loading hsdis library failed, undisassembled code is shown in MachCode section
 [MachCode]
   0x000003ff6779eb80: ebde f000 e851 | ebde f000 e751 | ebde f000 e651 | ebde f000 e551 | e3e0 f008 0024 | b904 000f
   0x000003ff6779eba2: a7fb ff38 | e300 f000 0024 | c008 baad babe | c009 dead beef | c018 0000 03ff | c019 6780 d0c0
   0x000003ff6779ebc4: e300 8020 0004 | c20d 0000 0000 | c0e0 0000 0004 | 0761 |
 [/MachCode]
 #
 # A fatal error has been detected by the Java Runtime Environment:
 #
 # Internal Error (/home/amit/head/jdk/src/hotspot/share/opto/output.cpp:1707), pid=1144271, tid=1144539
 # assert(false) failed: wrong size of mach node
 #
 # JRE version: OpenJDK Runtime Environment (26.0) (fastdebug build 26-internal-adhoc.amit.jdk)
 # Java VM: OpenJDK 64-Bit Server VM (fastdebug 26-internal-adhoc.amit.jdk, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, linux-s390x)
 # Problematic frame:
 # V [libjvm.so+0x11e59e2] PhaseOutput::fill_buffer(C2_MacroAssembler*, unsigned int*)+0x1f6a
 #
 # Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport -p%p -s%s -c%c -d%d -P%P -u%u -g%g -F%F -- %E" (or dumping to /home/amit/head/jdk/build/linux-s390x- server-fastdebug/test-support/jtreg_test_hotspot_jtreg_tier1/scratch/16/core.1144271)
 #
 # An error report file with more information is saved as:
 # /home/amit/head/jdk/build/linux-s390x-server-fastdebug/test-support/jtreg_test_hotspot_jtreg_tier1/scratch/16/hs_err_pid1144271.log
 #
 # Compiler replay data is saved as:
 # /home/amit/head/jdk/build/linux-s390x-server-fastdebug/test-support/jtreg_test_hotspot_jtreg_tier1/scratch/16/replay_pid1144271.log
 #
 # If you would like to submit a bug report, please visit:
 # https://bugreport.java.com/bugreport/crash.jsp
 #