ADDITIONAL SYSTEM INFORMATION :
# JRE version: OpenJDK Runtime Environment (8.0_392) (build 1.8.0_392-internal-fastdebug-b00)
# Java VM: OpenJDK 64-Bit Server VM (25.392-b00-fastdebug compiled mode linux-amd64 compressed oops)

A DESCRIPTION OF THE PROBLEM :
I ran a modified regression test case on JDK8u392 and found that the JVM crashed with -Xcomp options. The modification I made are in lines 45 to 79 of the source code. Although the error message obtained after execution matches the bug in the original regression test, which is JDK-8309266, running the original regression test on JDK8u392 does not trigger this issue. I believe this requires some fixes in JDK8.

#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/data/jdk8u/hotspot/src/share/vm/opto/loopnode.cpp:926), pid=52834, tid=0x00007f197aa5a700
# assert(final_con == (jlong)final_int) failed: final value should be integer
#
# JRE version: OpenJDK Runtime Environment (8.0_392) (build 1.8.0_392-internal-fastdebug-b00)
# Java VM: OpenJDK 64-Bit Server VM (25.392-b00-fastdebug compiled mode linux-amd64 compressed oops)
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
java -Xcomp compiler.loopopts.TestLoopLimitOverflowDuringCCP

ACTUAL -
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/loopnode.cpp:926
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/data/jdk8u/hotspot/src/share/vm/opto/loopnode.cpp:926), pid=52834, tid=0x00007f197aa5a700
# assert(final_con == (jlong)final_int) failed: final value should be integer
#
# JRE version: OpenJDK Runtime Environment (8.0_392) (build 1.8.0_392-internal-fastdebug-b00)
# Java VM: OpenJDK 64-Bit Server VM (25.392-b00-fastdebug compiled mode linux-amd64 compressed oops)
# Failed to write core dump. 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/repository/toreport/TestLoopLimitOverflowDuringCCP_09_28_10_53_34/hs_err_pid52834.log
#
# Compiler replay data is saved as:
# /home/repository/toreport/TestLoopLimitOverflowDuringCCP_09_28_10_53_34/replay_pid52834.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#

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