8024255: When a keyword is used as object property name, the property can not be deleted
Reviewed-by: jlaskey, lagergren
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
^