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 regression test on JDK8u392 and found that the JVM crashed without any options.

#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/data//jdk8u/hotspot/src/share/vm/opto/type.hpp:1492), pid=2385, tid=0x00007f5904e3e700
# assert(_base == Int) failed: Not an Int
#
# 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 compiler.arraycopy.TestNegArrayLengthAsIndex1

ACTUAL -
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/type.hpp:1492
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/data//jdk8u/hotspot/src/share/vm/opto/type.hpp:1492), pid=66975, tid=0x00007f6399f4f700
# assert(_base == Int) failed: Not an Int
#
# 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 mixed 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/TestNegArrayLengthAsIndex1_09_22_23_51_27/hs_err_pid66975.log
#
# Compiler replay data is saved as:
# /home//repository//toreport/TestNegArrayLengthAsIndex1_09_22_23_51_27/replay_pid66975.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#

---------- BEGIN SOURCE ----------
package compiler.arraycopy;
public class TestNegArrayLengthAsIndex1 {

    public static void main(String[] args) throws Exception {
        for (int i = 0; i < 10000; i++) {
            foo();
        }
    }


    static int foo() {
        int minusOne = -1;
        int[] a = null;
        try {
            a = new int[minusOne];
        } catch (NegativeArraySizeException e) {
           return 0;
        }
        return a[a.length - 1];
    }
}
---------- END SOURCE ----------

FREQUENCY : always