Stress test crashed with
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/opt/mach5/mesos/work_dir/slaves/b733f181-520a-4536-86fc-7df55263c942-S3187/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/4c62312d-6696-4d80-87d9-6519034168b4/runs/a0fbe6a2-6e95-4329-9d4a-8e3918ab1ad6/workspace/open/src/hotspot/share/opto/escape.cpp:4708), pid=1171068, tid=1171096
# assert(n->is_Mem()) failed: memory node required.
#
# JRE version: Java(TM) SE Runtime Environment (24.0+30) (fastdebug build 24-ea+30-3587)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 24-ea+30-3587, mixed mode, tiered, compressed class ptrs, z gc, linux-aarch64)
# Problematic frame:
# V [libjvm.so+0xa9a3dc] ConnectionGraph::split_unique_types(GrowableArray<Node*>&, GrowableArray<ArrayCopyNode*>&, GrowableArray<MergeMemNode*>&, Unique_Node_List&)+0x2a18


Current thread (0x0000ffffb4404310):
[error occurred during error reporting (printing current thread), id 0xe0000000, Internal Error (/opt/mach5/mesos/work_dir/slaves/b733f181-520a-4536-86fc-7df55263c942-S3187/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/4c62312d-6696-4d80-87d9-6519034168b4/runs/a0fbe6a2-6e95-4329-9d4a-8e3918ab1ad6/workspace/open/src/hotspot/share/gc/z/zVerify.cpp:89)]

Current CompileTask:
C2:80920910 5235188 4 sun.util.locale.LocaleExtensions::toID (136 bytes)

Stack: [0x0000ffff8d93a000,0x0000ffff8db38000], sp=0x0000ffff8db32430, free space=2017k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0xa9a3dc] ConnectionGraph::split_unique_types(GrowableArray<Node*>&, GrowableArray<ArrayCopyNode*>&, GrowableArray<MergeMemNode*>&, Unique_Node_List&)+0x2a18 (escape.cpp:4708)
V [libjvm.so+0xaa11d8] ConnectionGraph::compute_escape()+0x1b18 (escape.cpp:397)
V [libjvm.so+0xaa196c] ConnectionGraph::do_analysis(Compile*, PhaseIterGVN*)+0xcc (escape.cpp:119)
V [libjvm.so+0x8eb9f0] Compile::Optimize()+0x6fc (compile.cpp:2336)
V [libjvm.so+0x8eef30] Compile::Compile(ciEnv*, ciMethod*, int, Options, DirectiveSet*)+0x14a0 (compile.cpp:852)
V [libjvm.so+0x7419c0] C2Compiler::compile_method(ciEnv*, ciMethod*, int, bool, DirectiveSet*)+0x17c (c2compiler.cpp:142)
V [libjvm.so+0x8fb584] CompileBroker::invoke_compiler_on_method(CompileTask*)+0x864 (compileBroker.cpp:2319)
V [libjvm.so+0x8fc19c] CompileBroker::compiler_thread_loop()+0x57c (compileBroker.cpp:1977)
V [libjvm.so+0xd83194] JavaThread::thread_main_inner()+0xe4 (javaThread.cpp:776)
V [libjvm.so+0x1620d20] Thread::call_run()+0xac (thread.cpp:232)
V [libjvm.so+0x1353e54] thread_native_entry(Thread*)+0x130 (os_linux.cpp:860)
C [libc.so.6+0x806b8] start_thread+0x2d8