Using a heavily modified java.util.HashMap using inline classes...

Running test/jdk/java/util/Spliterator/SpliteratorTraversingAndSplittingTest.java

# Internal Error (open/src/hotspot/share/interpreter/bytecode.cpp:123), pid=31480, tid=31764
# assert(is_valid()) failed: check invoke
#
# JRE version: Java(TM) SE Runtime Environment (14.0) (fastdebug build 14-lworldea+0-2019-10-26-1616424.rriggs.valhalla-dev)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 14-lworldea+0-2019-10-26-1616424.rriggs.valhalla-dev, mixed mode, tiered, compressed oops, g1 gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0x6ed3d5] Bytecode_invoke::verify() const+0x285
#
...
#
# An error report file with more information is saved as:
# .../build/linux-x64/test-support/jtreg_open_test_jdk_jdk_util/scratch/10/hs_err_pid31480.log
(attached)