true
false
CustomError
	at <program> (test/script/basic/JDK-8062583.js:40)
test/script/basic/JDK-8062583.js:40:4 CustomError
CustomError
	at <program> (test/script/basic/JDK-8062583.js:49)
test/script/basic/JDK-8062583.js:49 CustomError