SyntaxError: test/script/basic/JDK-8019553.js#33<eval>:1:3 Expected l-value but found +
++ +3
   ^
SyntaxError: test/script/basic/JDK-8019553.js#33<eval>:1:3 Expected l-value but found -
++ -7
   ^
SyntaxError: test/script/basic/JDK-8019553.js#33<eval>:1:3 Expected l-value but found +
-- +2
   ^
SyntaxError: test/script/basic/JDK-8019553.js#33<eval>:1:3 Expected l-value but found -
-- -8
   ^