jjs> new RegExp({toString:function(){print("str1")}},{toString:function(){print("str2")}})

Expected: "str1" and then "str2"
Actual: "str2" and then "str1"

jjs> new RegExp(/asdf/, {toString:function(){throw "blubb"}})

Expected: throw TypError instead of "blubb"
Actual: "blubb" is thrown