FILE fqName:<root> fileName:/whenReturnUnit.kt
  FUN name:run visibility:public modality:FINAL <> (block:kotlin.Function0<kotlin.Unit>) returnType:kotlin.Unit
    VALUE_PARAMETER name:block index:0 type:kotlin.Function0<kotlin.Unit>
    BLOCK_BODY
  FUN name:branch visibility:public modality:FINAL <> (x:kotlin.Int) returnType:kotlin.Unit
    VALUE_PARAMETER name:x index:0 type:kotlin.Int
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='public final fun branch (x: kotlin.Int): kotlin.Unit declared in <root>'
        CALL 'public final fun run (block: kotlin.Function0<kotlin.Unit>): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
          block: FUN_EXPR type=kotlin.Function0<kotlin.Unit> origin=LAMBDA
            FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Unit
              BLOCK_BODY
                BLOCK type=kotlin.Unit origin=WHEN
                  VAR IR_TEMPORARY_VARIABLE name:tmp_0 type:kotlin.Int [val]
                    GET_VAR 'x: kotlin.Int declared in <root>.branch' type=kotlin.Int origin=null
                  WHEN type=kotlin.Unit origin=WHEN
                    BRANCH
                      if: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EQEQ
                        arg0: GET_VAR 'val tmp_0: kotlin.Int [val] declared in <root>.branch.<anonymous>' type=kotlin.Int origin=null
                        arg1: CONST Int type=kotlin.Int value=1
                      then: CALL 'public final fun TODO (reason: kotlin.String): kotlin.Nothing [inline] declared in kotlin.StandardKt' type=kotlin.Nothing origin=null
                        reason: CONST String type=kotlin.String value="1"
                    BRANCH
                      if: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EQEQ
                        arg0: GET_VAR 'val tmp_0: kotlin.Int [val] declared in <root>.branch.<anonymous>' type=kotlin.Int origin=null
                        arg1: CONST Int type=kotlin.Int value=2
                      then: CALL 'public final fun TODO (reason: kotlin.String): kotlin.Nothing [inline] declared in kotlin.StandardKt' type=kotlin.Nothing origin=null
                        reason: CONST String type=kotlin.String value="2"
