Steps:
1) Run HelloWebView.java with https://html-online.com/editor/ in debug mode.
Assertion failure will occur, with below logs.
=====Logs====
D:\wincode\rt\modules\web\src\main\native\Source\WebCore\platform\graphics\WidthIterator.cpp(102) : WebCore::applyFontTransforms
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (os_windows_x86.cpp:144), pid=8844, tid=7180
# guarantee(result == EXCEPTION_CONTINUE_EXECUTION) failed: Unexpected result from topLevelExceptionFilter
#
# JRE version: Java(TM) SE Runtime Environment (9.0+109) (build 9-ea+109-2016-03-09-175201.javare.4620)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (9-ea+109-2016-03-09-175201.javare.4620, mixed mode, tiered, compressed oops, g1 gc, windows-amd64)
# No core dump will be written. Minidumps are not enabled by default on client versions of Windows
#
# An error report file with more information is saved as:
# D:\wincode\rt\apps\toys\Hello\src\main\java\hello\hs_err_pid8844.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#
ASSERTION FAILED: typesettingFeatures & (Kerning | Ligatures)