IrFile /when.kt
  DUMMY A
  IrFunction public fun testWithSubject(/*0*/ x: kotlin.Any?): kotlin.String
    IrExpressionBody
      BLOCK type=<no-type> hasResult=false operator=null
        RETURN type=<no-type>
          BLOCK type=kotlin.String hasResult=true operator=WHEN
            VAR val tmp0_subject: kotlin.Any?
              GET_VAR x type=kotlin.Any? operator=null
            WHEN type=kotlin.String operator=WHEN
              if: CALL .EQEQ type=kotlin.Boolean operator=EQEQ
                arg0: GET_VAR tmp0_subject type=kotlin.Any? operator=null
                arg1: CONST Null type=kotlin.Nothing? value='null'
              then: CONST String type=kotlin.String value='null'
              if: CALL .EQEQ type=kotlin.Boolean operator=EQEQ
                arg0: GET_VAR tmp0_subject type=kotlin.Any? operator=null
                arg1: GET_OBJECT A type=A
              then: CONST String type=kotlin.String value='A'
              if: TYPE_OP operator=INSTANCEOF typeOperand=kotlin.String
                GET_VAR tmp0_subject type=kotlin.Any? operator=null
              then: CONST String type=kotlin.String value='String'
              if: CALL .contains type=kotlin.Boolean operator=IN
                $receiver: CALL .setOf type=kotlin.collections.Set<kotlin.Nothing> operator=null
                element: GET_VAR tmp0_subject type=kotlin.Any? operator=null
              then: CONST String type=kotlin.String value='nothingness?'
              else: CONST String type=kotlin.String value='something'
  IrFunction public fun test(/*0*/ x: kotlin.Any?): kotlin.String
    IrExpressionBody
      BLOCK type=<no-type> hasResult=false operator=null
        RETURN type=<no-type>
          WHEN type=kotlin.String operator=WHEN
            if: CALL .EQEQ type=kotlin.Boolean operator=EQEQ
              arg0: GET_VAR x type=kotlin.Any? operator=null
              arg1: CONST Null type=kotlin.Nothing? value='null'
            then: CONST String type=kotlin.String value='null'
            if: CALL .EQEQ type=kotlin.Boolean operator=EQEQ
              arg0: GET_VAR x type=kotlin.Any? operator=null
              arg1: GET_OBJECT A type=A
            then: CONST String type=kotlin.String value='A'
            if: TYPE_OP operator=INSTANCEOF typeOperand=kotlin.String
              GET_VAR x type=kotlin.Any? operator=null
            then: CONST String type=kotlin.String value='String'
            if: CALL .contains type=kotlin.Boolean operator=IN
              $receiver: CALL .setOf type=kotlin.collections.Set<kotlin.Nothing> operator=null
              element: GET_VAR x type=kotlin.Any? operator=null
            then: CONST String type=kotlin.String value='nothingness?'
            else: CONST String type=kotlin.String value='something'
  IrFunction public fun testComma(/*0*/ x: kotlin.Int): kotlin.String
    IrExpressionBody
      BLOCK type=<no-type> hasResult=false operator=null
        RETURN type=<no-type>
          BLOCK type=kotlin.String hasResult=true operator=WHEN
            VAR val tmp0_subject: kotlin.Int
              GET_VAR x type=kotlin.Int operator=null
            WHEN type=kotlin.String operator=WHEN
              if: WHEN type=kotlin.Boolean operator=WHEN_COMMA
                if: WHEN type=kotlin.Boolean operator=WHEN_COMMA
                  if: WHEN type=kotlin.Boolean operator=WHEN_COMMA
                    if: CALL .EQEQ type=kotlin.Boolean operator=EQEQ
                      arg0: GET_VAR tmp0_subject type=kotlin.Int operator=null
                      arg1: CONST Int type=kotlin.Int value='1'
                    then: CONST Boolean type=kotlin.Boolean value='true'
                    else: CALL .EQEQ type=kotlin.Boolean operator=EQEQ
                      arg0: GET_VAR tmp0_subject type=kotlin.Int operator=null
                      arg1: CONST Int type=kotlin.Int value='2'
                  then: CONST Boolean type=kotlin.Boolean value='true'
                  else: CALL .EQEQ type=kotlin.Boolean operator=EQEQ
                    arg0: GET_VAR tmp0_subject type=kotlin.Int operator=null
                    arg1: CONST Int type=kotlin.Int value='3'
                then: CONST Boolean type=kotlin.Boolean value='true'
                else: CALL .EQEQ type=kotlin.Boolean operator=EQEQ
                  arg0: GET_VAR tmp0_subject type=kotlin.Int operator=null
                  arg1: CONST Int type=kotlin.Int value='4'
              then: CONST String type=kotlin.String value='1234'
              if: WHEN type=kotlin.Boolean operator=WHEN_COMMA
                if: WHEN type=kotlin.Boolean operator=WHEN_COMMA
                  if: CALL .EQEQ type=kotlin.Boolean operator=EQEQ
                    arg0: GET_VAR tmp0_subject type=kotlin.Int operator=null
                    arg1: CONST Int type=kotlin.Int value='5'
                  then: CONST Boolean type=kotlin.Boolean value='true'
                  else: CALL .EQEQ type=kotlin.Boolean operator=EQEQ
                    arg0: GET_VAR tmp0_subject type=kotlin.Int operator=null
                    arg1: CONST Int type=kotlin.Int value='6'
                then: CONST Boolean type=kotlin.Boolean value='true'
                else: CALL .EQEQ type=kotlin.Boolean operator=EQEQ
                  arg0: GET_VAR tmp0_subject type=kotlin.Int operator=null
                  arg1: CONST Int type=kotlin.Int value='7'
              then: CONST String type=kotlin.String value='567'
              if: WHEN type=kotlin.Boolean operator=WHEN_COMMA
                if: CALL .EQEQ type=kotlin.Boolean operator=EQEQ
                  arg0: GET_VAR tmp0_subject type=kotlin.Int operator=null
                  arg1: CONST Int type=kotlin.Int value='8'
                then: CONST Boolean type=kotlin.Boolean value='true'
                else: CALL .EQEQ type=kotlin.Boolean operator=EQEQ
                  arg0: GET_VAR tmp0_subject type=kotlin.Int operator=null
                  arg1: CONST Int type=kotlin.Int value='9'
              then: CONST String type=kotlin.String value='89'
              else: CONST String type=kotlin.String value='?'
