FILE fqName:<root> fileName:/dotQualified.kt
  FUN name:length visibility:public modality:FINAL <> (s:kotlin.String) returnType:Int flags:
    VALUE_PARAMETER name:s index:0 type:kotlin.String flags:
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='length(String): Int'
        CALL '<get-length>(): Int' type=kotlin.Int origin=GET_PROPERTY
          $this: GET_VAR 'value-parameter s: String' type=kotlin.String origin=null
  FUN name:lengthN visibility:public modality:FINAL <> (s:kotlin.String?) returnType:Int? flags:
    VALUE_PARAMETER name:s index:0 type:kotlin.String? flags:
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='lengthN(String?): Int?'
        BLOCK type=kotlin.Int? origin=SAFE_CALL
          VAR IR_TEMPORARY_VARIABLE name:tmp0_safe_receiver type:kotlin.String? flags:val
            GET_VAR 'value-parameter s: String?' type=kotlin.String? origin=null
          WHEN type=kotlin.Int? origin=SAFE_CALL
            BRANCH
              if: CALL 'EQEQ(Any?, Any?): Boolean' type=kotlin.Boolean origin=EQEQ
                arg0: GET_VAR 'tmp0_safe_receiver: String?' type=kotlin.String? origin=null
                arg1: CONST Null type=kotlin.Nothing? value=null
              then: CONST Null type=kotlin.Nothing? value=null
            BRANCH
              if: CONST Boolean type=kotlin.Boolean value=true
              then: CALL '<get-length>(): Int' type=kotlin.Int origin=GET_PROPERTY
                $this: GET_VAR 'tmp0_safe_receiver: String?' type=kotlin.String? origin=null

