From 0d6b994bee6098dfa212a124d4b20fa700aa28ad Mon Sep 17 00:00:00 2001
From: Bung <crc32@qq.com>
Date: Wed, 19 Apr 2023 00:50:49 -0700
Subject: [PATCH] fix #20997 (#21165)

* fix #20997

* use ptr UncheckedArray[uint8] instead
---
 lib/system/sets.nim | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/system/sets.nim b/lib/system/sets.nim
index e230985e0b..5f7c3e37b8 100644
--- a/lib/system/sets.nim
+++ b/lib/system/sets.nim
@@ -9,10 +9,8 @@
 
 # set handling
 
-type
-  NimSet = array[0..8192-1, uint8]
 
-proc cardSetImpl(s: openArray[uint8], len: int): int {.inline.} =
+proc cardSetImpl(s: ptr UncheckedArray[uint8], len: int): int {.inline.} =
   var i = 0
   result = 0
   when defined(x86) or defined(amd64):
@@ -24,5 +22,5 @@ proc cardSetImpl(s: openArray[uint8], len: int): int {.inline.} =
     inc(result, countBits32(uint32(s[i])))
     inc(i, 1)
 
-proc cardSet(s: NimSet, len: int): int {.compilerproc, inline.} =
+proc cardSet(s: ptr UncheckedArray[uint8], len: int): int {.compilerproc, inline.} =
   result = cardSetImpl(s, len)