ADDITIONAL SYSTEM INFORMATION :
OS: Ubuntu18.04
JDK8
$ java -version
openjdk version "1.8.0-internal-fastdebug"
OpenJDK Runtime Environment (build 1.8.0-internal-fastdebug-user_2022_03_11_16_03-b00)
OpenJDK 64-Bit Server VM (build 25.71-b00-fastdebug, mixed mode)
JDK11
$ java -version
openjdk version "11.0.15-internal" 2022-04-19
OpenJDK Runtime Environment (fastdebug build 11.0.15-internal+0-adhoc.user.jdk11u)
OpenJDK 64-Bit Server VM (fastdebug build 11.0.15-internal+0-adhoc.user.jdk11u, mixed mode, sharing)
JDK17
$ java -version
openjdk version "17.0.3-internal" 2022-04-19
OpenJDK Runtime Environment (fastdebug build 17.0.3-internal+0-adhoc.user.jdk17u)
OpenJDK 64-Bit Server VM (fastdebug build 17.0.3-internal+0-adhoc.user.jdk17u, mixed mode, sharing)
A DESCRIPTION OF THE PROBLEM :
JVM crashed when running the test case with option -XX:-PartialPeelLoop under jdk8, jdk11, jdk17.
Reproduce:
$ java -Xcomp -XX:-PartialPeelLoop Test
i i10 i11 = 125,270,93
i12 i13 i14 = 72879,2,2
i15 i16 i17 = 174,0,148
i18 fArr iArr1 = 173,-4543399874554511360,-327513
Test.instanceCount Test.fFld Test.bFld = 6542009568855372046,1092616192,1
dFld Test.dArrFld Test.lArrFld = 4613701581922619432,4668565628057730655,-6269174457476628831
vMeth1_check_sum: -27854160
lMeth_check_sum: 1587511662398500560
vMeth_check_sum: 2853594718
i i10 i11 = 125,270,93
i12 i13 i14 = 72879,2,2
i15 i16 i17 = 174,0,148
i18 fArr iArr1 = 173,-4543399874554511360,-327513
Test.instanceCount Test.fFld Test.bFld = 6542009568855372046,1092616192,1
dFld Test.dArrFld Test.lArrFld = 4615953381736304680,4668565628057730655,-6269174457476628831
vMeth1_check_sum: -55708320
lMeth_check_sum: 3175023324796980640
vMeth_check_sum: 5707189439
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/compile.cpp:2021
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/home/user/jdk_source/jdk17u/src/hotspot/share/opto/compile.cpp:2021), pid=44309, tid=44322
# assert(cnt++ < 40) failed: infinite cycle in loop optimization
#
# JRE version: OpenJDK Runtime Environment (17.0.3) (fastdebug build 17.0.3-internal+0-adhoc.user.jdk17u)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 17.0.3-internal+0-adhoc.user.jdk17u, compiled mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0x950bc6] Compile::Optimize()+0x1006
#
# No core dump will be written. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# An error report file with more information is saved as:
# /home/user/hs_err_pid44309.log
#
# Compiler replay data is saved as:
# /home/user/replay_pid44309.log
#
# If you would like to submit a bug report, please visit:
# https://bugreport.java.com/bugreport/crash.jsp
#
hs_err.log:
--------------- T H R E A D ---------------
Current thread (0x00007f5cf021c000): JavaThread "C2 CompilerThread6" daemon [_thread_in_native, id=44761, stack(0x00007f5c3a456000,0x00007f5c3a556000)]
Stack: [0x00007f5c3a456000,0x00007f5c3a556000], sp=0x00007f5c3a550ab0, free space=1002k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x121fcac] VMError::report_and_die()+0x2ec
V [libjvm.so+0x797f81] report_vm_error(char const*, int, char const*, char const*)+0x61
V [libjvm.so+0x6fcb74] Compile::Optimize()+0xcf4
V [libjvm.so+0x6fe9c5] Compile::Compile(ciEnv*, C2Compiler*, ciMethod*, int, bool, bool, bool)+0xe05
V [libjvm.so+0x59ba70] C2Compiler::compile_method(ciEnv*, ciMethod*, int)+0xe0
V [libjvm.so+0x70bdf2] CompileBroker::invoke_compiler_on_method(CompileTask*)+0x8b2
V [libjvm.so+0x70d3e0] CompileBroker::compiler_thread_loop()+0x710
V [libjvm.so+0x118b188] JavaThread::thread_main_inner()+0x1c8
V [libjvm.so+0x118b54d] JavaThread::run()+0x37d
V [libjvm.so+0xf19ca2] java_start(Thread*)+0x102
C [libpthread.so.0+0x76db] start_thread+0xdb
Current CompileTask:
C2: 6921 1042 !b 4 Test::mainTest (767 bytes)
FREQUENCY : always