From 4b377b07fcec623b8387ed20f6c1cada20979053 Mon Sep 17 00:00:00 2001
From: ringabout <43030857+ringabout@users.noreply.github.com>
Date: Wed, 26 Oct 2022 02:08:36 +0800
Subject: fixes #19201; fixes sink causes crash in VM (#20658)

---
 compiler/vmgen.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'compiler/vmgen.nim')

diff --git a/compiler/vmgen.nim b/compiler/vmgen.nim
index 56764ef94..dbe053030 100644
--- a/compiler/vmgen.nim
+++ b/compiler/vmgen.nim
@@ -1060,7 +1060,7 @@ proc genMagic(c: PCtx; n: PNode; dest: var TDest; m: TMagic) =
   of mLengthOpenArray, mLengthArray, mLengthSeq:
     genUnaryABI(c, n, dest, opcLenSeq)
   of mLengthStr:
-    case n[1].typ.kind
+    case n[1].typ.skipTypes(abstractVarRange).kind
     of tyString: genUnaryABI(c, n, dest, opcLenStr)
     of tyCstring: genUnaryABI(c, n, dest, opcLenCstring)
     else: doAssert false, $n[1].typ.kind
-- 
cgit 1.4.1-2-gfad0