Error log:

Compiling 4 files for BUILD_JIGSAW_TOOLS

Optimizing the exploded image

#

# A fatal error has been detected by the Java Runtime Environment:

#

# SIGSEGV (0xb) at pc=0x0000000000000000, pid=49910, tid=49915

#

# JRE version: OpenJDK Runtime Environment (15.0) (build 15-internal+0-git-79e0b98f7)

# Java VM: OpenJDK 64-Bit Client VM (15-internal+0-git-79e0b98f7, mixed mode, compressed oops, serial gc, linux-aarch64)

# Problematic frame:

# C 0x0000000000000000

#

# Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport %p %s %c %d %P %E" (or dumping to /home/ent-user/ci-scripts/jdk_src/make/core.49910)

#

# An error report file with more information is saved as:

# /home/ent-user/ci-scripts/jdk_src/make/hs_err_pid49910.log

AHE@0x0000ffff9c0a3e40: 0xba000000 i2c: 0x0000ffff9a02f480 c2i: 0x0000ffff9a02f4bc c2iUV: 0x0000ffff9a02f494 c2iNCI: 0x0000ffff9a02f4f0

#

# If you would like to submit a bug report, please visit:

# https://bugreport.java.com/bugreport/crash.jsp

#

/bin/bash: line 1: 49910 Aborted (core dumped) /home/ent-user/ci-scripts/build-release/jdk/bin/java -Xms64M -Xmx1600M -XX:ThreadStackSize=1536 -XX:+UseSerialGC -Xms32M -Xmx512M -XX:TieredStopAtLevel=1 -cp /home/ent-user/ci-scripts/build-release/buildtools/tools_jigsaw_classes --add-exports java.base/jdk.internal.module=ALL-UNNAMED build.tools.jigsaw.AddPackagesAttribute /home/ent-user/ci-scripts/build-release/jdk > >(/usr/bin/tee -a /home/ent-user/ci-scripts/build-release/jdk/_optimize_image_exec.log) 2> >(/usr/bin/tee -a /home/ent-user/ci-scripts/build-release/jdk/_optimize_image_exec.log >&2)

ExplodedImageOptimize.gmk:39: recipe for target '/home/ent-user/ci-scripts/build-release/jdk/_optimize_image_exec.marker' failed

make[3]: *** [/home/ent-user/ci-scripts/build-release/jdk/_optimize_image_exec.marker] Error 134

make/Main.gmk:392: recipe for target 'exploded-image-optimize' failed