From c4c9876785a17f9b43bb1e0748eff67a71a7487f Mon Sep 17 00:00:00 2001
From: flywind <xzsflywind@gmail.com>
Date: Thu, 14 Oct 2021 15:23:01 +0800
Subject: [PATCH] fix a potential bug (#18900)

---
 lib/std/private/digitsutils.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/private/digitsutils.nim b/lib/std/private/digitsutils.nim
index 268a3ba7d2..9be2ab3ef6 100644
--- a/lib/std/private/digitsutils.nim
+++ b/lib/std/private/digitsutils.nim
@@ -95,7 +95,7 @@ proc addInt*(result: var string; x: int64) =
     var num: uint64
     if x < 0:
       if x == low(int64):
-        num = uint64(x)
+        num = cast[uint64](x)
       else:
         num = uint64(-x)
       let base = result.len