Running a fastdebug build on linux x64, I get:

 ./images/jdk/bin/java -XX:+ExecuteInternalVMTests
Running internal VM tests
Running test: TestReservedSpace_test
Running test: TestReserveMemorySpecial_test
Running test: TestVirtualSpace_test
Running test: TestMetaspaceUtils_test
Running test: GCTimer_test
Running test: ObjectMonitor_test
Running test: DirectivesParser_test
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/directivesParser.cpp:573
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/shared/projects/openjdk/jdk-jdk/source/src/hotspot/share/compiler/directivesParser.cpp:573), pid=24526, tid=24527
# assert(cd.valid() == true) failed: failed on a valid DirectivesParser string
#
# JRE version: OpenJDK Runtime Environment (11.0) (fastdebug build 11-internal+0-adhoc.thomas.source)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 11-internal+0-adhoc.thomas.source, mixed mode, tiered, compressed oops, g1 gc, linux-amd64)
# Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport %p %s %c %d %P" (or dumping to /shared/projects/openjdk/jdk-jdk/output-fastdebug/core.24526)
#
# An error report file with more information is saved as:
# /shared/projects/openjdk/jdk-jdk/output-fastdebug/hs_err_pid24526.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#