From 49e11d9dcc00d4c758b754e7a89f9d0253d25ea0 Mon Sep 17 00:00:00 2001
From: ringabout <43030857+ringabout@users.noreply.github.com>
Date: Fri, 9 Jun 2023 20:47:52 +0800
Subject: [PATCH] clean up isNilConversion for seqs, strings (#22057)

---
 compiler/sigmatch.nim | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/compiler/sigmatch.nim b/compiler/sigmatch.nim
index 8f396840eb..c3d5247919 100644
--- a/compiler/sigmatch.nim
+++ b/compiler/sigmatch.nim
@@ -1293,8 +1293,6 @@ proc typeRel(c: var TCandidate, f, aOrig: PType,
             result = isSubtype
           else:
             result = isNone
-        elif tfNotNil in f.flags and tfNotNil notin a.flags:
-          result = isNilConversion
     of tyNil: result = isNone
     else: discard
   of tyOrdinal:
@@ -1392,11 +1390,7 @@ proc typeRel(c: var TCandidate, f, aOrig: PType,
     else: discard
   of tyString:
     case a.kind
-    of tyString:
-      if tfNotNil in f.flags and tfNotNil notin a.flags:
-        result = isNilConversion
-      else:
-        result = isEqual
+    of tyString: result = isEqual
     of tyNil: result = isNone
     else: discard
   of tyCstring: