FILE fqName:<root> fileName:/genericSamSmartcast.kt
  FUN name:f visibility:public modality:FINAL <> (x:kotlin.Any) returnType:kotlin.String
    VALUE_PARAMETER name:x index:0 type:kotlin.Any
    BLOCK_BODY
      WHEN type=kotlin.Unit origin=IF
        BRANCH
          if: TYPE_OP type=kotlin.Boolean origin=INSTANCEOF typeOperand=<root>.A<*>
            GET_VAR 'x: kotlin.Any declared in <root>.f' type=kotlin.Any origin=null
          then: BLOCK type=kotlin.Unit origin=null
            RETURN type=kotlin.Nothing from='public final fun f (x: kotlin.Any): kotlin.String declared in <root>'
              TYPE_OP type=kotlin.String origin=IMPLICIT_NOTNULL typeOperand=kotlin.String
                CALL 'public open fun call (block: @[FlexibleNullability] <root>.A.I<@[FlexibleNullability] T of <root>.A?>?): @[FlexibleNullability] kotlin.String? declared in <root>.A' type=@[FlexibleNullability] kotlin.String? origin=null
                  $this: TYPE_OP type=<root>.A<*> origin=IMPLICIT_CAST typeOperand=<root>.A<*>
                    GET_VAR 'x: kotlin.Any declared in <root>.f' type=kotlin.Any origin=null
                  block: TYPE_OP type=@[FlexibleNullability] <root>.A.I<kotlin.Nothing>? origin=SAM_CONVERSION typeOperand=@[FlexibleNullability] <root>.A.I<kotlin.Nothing>?
                    FUN_EXPR type=kotlin.Function1<kotlin.Any?, @[FlexibleNullability] kotlin.String?> origin=LAMBDA
                      FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> (y:kotlin.Any?) returnType:@[FlexibleNullability] kotlin.String?
                        VALUE_PARAMETER name:y index:0 type:kotlin.Any?
                        BLOCK_BODY
                          RETURN type=kotlin.Nothing from='local final fun <anonymous> (y: kotlin.Any?): @[FlexibleNullability] kotlin.String? declared in <root>.f'
                            CONST String type=kotlin.String value="OK"
      RETURN type=kotlin.Nothing from='public final fun f (x: kotlin.Any): kotlin.String declared in <root>'
        CONST String type=kotlin.String value="Fail"