Run attached example with:
~/ws/jdk-12/fastdebug/bin/java -Xcomp Test

fails with :
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/chaitin.cpp:1661
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/scratch/opt/mach5/mesos/work_dir/slaves/c4ee7e63-1ded-4e8c-9581-ce26f27e3af4-S72/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/3e8f11e1-a6d3-472f-9301-2c71c1d9e6b4/runs/25f26cb8-1ed1-4dce-8b18-41fa9ae0169e/workspace/open/src/hotspot/share/opto/chaitin.cpp:1661), pid=11585, tid=11596
# assert(n->outcnt() != 0 || C->top() == n || n->is_Proj()) failed: No dead instructions after post-alloc
#
# JRE version: Java(TM) SE Runtime Environment (12.0+9) (fastdebug build 12-ea+9)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 12-ea+9, compiled mode, tiered, compressed oops, g1 gc, linux-amd64)
# Core dump will be written. Default location: Core dumps may be processed with "/usr/libexec/abrt-hook-ccpp %s %c %p %u %g %t e %P %I %h" (or dumping to /scratch/lmesnik/ws/JavaFuzzer/results/12_05/crashes/r2-2126/core.11585)
#