/unresolvedOperator.kt:6:6: error: unresolved reference: ++
    a++
     ^^
/unresolvedOperator.kt:7:6: error: unresolved reference: --
    a--
     ^^
/unresolvedOperator.kt:8:5: error: unresolved reference: +
    +a
    ^
/unresolvedOperator.kt:9:5: error: unresolved reference: -
    -a
    ^
/unresolvedOperator.kt:10:5: error: unresolved reference: !
    !a
    ^
/unresolvedOperator.kt:11:7: error: unresolved reference: *
    a * a
      ^
/unresolvedOperator.kt:12:10: error: unresolved reference. None of the following candidates is applicable because of receiver type mismatch: 
public operator fun String?.plus(other: Any?): String defined in kotlin
    true + false
         ^
/unresolvedOperator.kt:13:7: error: unresolved reference: -
    a - a
      ^
/unresolvedOperator.kt:14:7: error: unresolved reference: /
    a / a
      ^
/unresolvedOperator.kt:15:7: error: unresolved reference: %
    a % a
      ^
/unresolvedOperator.kt:16:7: error: unresolved reference: ..
    a .. a
      ^^
/unresolvedOperator.kt:17:7: error: unresolved reference: ..<
    a ..< a
      ^^^