The Zero interpreter asserts with new code that's added because there are is no stub code generated.

% java -version
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/stubRoutines.cpp:184
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/home/cphillim/hg.local/jdk9.zero/hotspot/src/share/vm/runtime/stubRoutines.cpp:184), pid=31300, tid=0x0000000000007a45
# assert(buffer.insts_remaining() > 200) failed: increase code_size1
#
# JRE version: (9.0) (build )
# Java VM: Java HotSpot(TM) 64-Bit Zero VM (1.9.0-internal-debug-cphillim_2015_08_17_20_02-b00-coleen, interpreted mode, serial gc, linux-amd64)
# Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport %p %s %c %P" (or dumping to /scratch/cphillim/hg/jdk9.zero/core.31300)
#
# An error report file with more information is saved as:
# /scratch/cphillim/hg/jdk9.zero/hs_err_pid31300.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#
Current thread is 31301
Dumping core ...
Abort (core dumped)