8218628: Add detailed message to NullPointerException describing what is null.
Summary: This is the implementation of JEP 358: Helpful NullPointerExceptions.
Reviewed-by: coleenp, clanger, rschmelter, rriggs, forax, mr
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="EntryPointsManager">
<entry_points version="2.0" />
</component>
<component name="JTRegService">
<path>###JTREG_HOME###</path>
<workDir>###BUILD_DIR###</workDir>
<jre alt="true" value="###IMAGES_DIR###" />
<options></options>
<ant>
<target file="file://###ROOT_DIR###/make/idea/build.xml" name="images" />
</ant>
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_9" assert-keyword="true" jdk-15="true">
<output url="file://###BUILD_DIR###" />
</component>
</project>