#
# A fatal error has been detected by the Java Runtime Environment:
#
#  Internal Error (/oracle/jdk_jdk/open/src/hotspot/share/opto/macro.cpp:980), pid=20982, tid=20997
#  assert(alloc->in(0)->is_Proj() && alloc->in(0)->in(0)->Opcode() == Op_MemBarCPUOrder) failed: mem barrier expected before allocation
#
# JRE version: Java(TM) SE Runtime Environment (15.0) (fastdebug build 15-internal+0-2020-05-26-1033362.tobias...)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 15-internal+0-2020-05-26-1033362.tobias..., mixed mode, tiered, compressed oops, g1 gc, linux-amd64)
# Problematic frame:
# V  [libjvm.so+0x118ac58]  PhaseMacroExpand::process_users_of_allocation(CallNode*)+0x698
#
# Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport %p %s %c %d %P" (or dumping to /oracle/jdk_jdk/open/JTwork/scratch/core.20982)
#
# 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: -Dtest.file=/oracle/jdk_jdk/open/test/hotspot/jtreg/compiler/arraycopy/TestEliminateArrayCopy.java -Dtest.src=/oracle/jdk_jdk/open/test/hotspot/jtreg/compiler/arraycopy -Dtest.src.path=/oracle/jdk_jdk/open/test/hotspot/jtreg/compiler/arraycopy:/oracle/jdk_jdk/open/test/hotspot/jtreg -Dtest.classes=/oracle/jdk_jdk/open/JTwork/classes/compiler/arraycopy/TestEliminateArrayCopy.d -Dtest.class.path=/oracle/jdk_jdk/open/JTwork/classes/compiler/arraycopy/TestEliminateArrayCopy.d:/oracle/jdk_jdk/open/JTwork/classes -Dtest.vm.opts= -Dtest.tool.vm.opts= -Dtest.compiler.opts= -Dtest.java.opts=-XX:+StressReflectiveCode -Dtest.jdk=/oracle/jdk_jdk/build/linux-x64/jdk -Dcompile.jdk=/oracle/jdk_jdk/build/linux-x64/jdk -Dtest.timeout.factor=1.0 -Dtest.root=/oracle/jdk_jdk/open/test/hotspot/jtreg -XX:+StressReflectiveCode -ea -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,compiler.arraycopy.TestEliminateArrayCopy*::m* com.sun.javatest.regtest.agent.MainWrapper /oracle/jdk_jdk/open/JTwork/compiler/arraycopy/TestEliminateArrayCopy.d/main.0.jta

Host: prometheus, Intel(R) Core(TM) i7-6820HQ CPU @ 2.70GHz, 8 cores, 15G, Ubuntu 18.04.4 LTS
Time: Fri May 29 14:11:00 2020 CEST elapsed time: 1.541864 seconds (0d 0h 0m 1s)

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

Current thread (0x00007fccfc33fc70):  JavaThread "C2 CompilerThread0" daemon [_thread_in_native, id=20997, stack(0x00007fcce0602000,0x00007fcce0703000)]


Current CompileTask:
C2:   1541  633    b  4       compiler.arraycopy.TestEliminateArrayCopy$CloneTests::m1 (6 bytes)

Stack: [0x00007fcce0602000,0x00007fcce0703000],  sp=0x00007fcce06fe590,  free space=1009k
Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0x118ac58]  PhaseMacroExpand::process_users_of_allocation(CallNode*)+0x698
V  [libjvm.so+0x11947ea]  PhaseMacroExpand::eliminate_allocate_node(AllocateNode*) [clone .part.0]+0x2fa
V  [libjvm.so+0x1194f2d]  PhaseMacroExpand::eliminate_macro_nodes()+0x5cd
V  [libjvm.so+0x8fd441]  Compile::Optimize()+0xe31
V  [libjvm.so+0x8feecc]  Compile::Compile(ciEnv*, ciMethod*, int, bool, bool, bool, DirectiveSet*)+0x15bc
V  [libjvm.so+0x74c125]  C2Compiler::compile_method(ciEnv*, ciMethod*, int, DirectiveSet*)+0x175
V  [libjvm.so+0x90d76e]  CompileBroker::invoke_compiler_on_method(CompileTask*)+0x45e
V  [libjvm.so+0x90ee08]  CompileBroker::compiler_thread_loop()+0x6b8
V  [libjvm.so+0x169383c]  JavaThread::thread_main_inner()+0x21c
V  [libjvm.so+0x1699660]  Thread::call_run()+0x100
V  [libjvm.so+0x139eb86]  thread_native_entry(Thread*)+0x116