From 412335935d0c5b95dc81d0efa3e64906f7138d1e Mon Sep 17 00:00:00 2001
From: araq <araq4k@proton.me>
Date: Sun, 8 Feb 2026 00:56:43 +0100
Subject: [PATCH] bugfix

---
 lib/system/arc.nim | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/system/arc.nim b/lib/system/arc.nim
index 31f0039850..3ac84be3bb 100644
--- a/lib/system/arc.nim
+++ b/lib/system/arc.nim
@@ -74,7 +74,7 @@ elif defined(nimArcIds):
 
   const traceId = -1
 
-when defined(gcAtomicArc) and hasThreadSupport:
+when (defined(gcAtomicArc) or defined(gcYrc)) and hasThreadSupport:
   template decrement(cell: Cell): untyped =
     discard atomicDec(cell.rc, rcIncrement)
   template increment(cell: Cell): untyped =
@@ -227,7 +227,7 @@ proc nimDecRefIsLast(p: pointer): bool {.compilerRtl, inl.} =
         writeStackTrace()
         cfprintf(cstderr, "[DecRef] %p %ld\n", p, cell.count)
 
-    when defined(gcAtomicArc) and hasThreadSupport:
+    when (defined(gcAtomicArc) or defined(gcYrc)) and hasThreadSupport:
       # `atomicDec` returns the new value
       if atomicDec(cell.rc, rcIncrement) == -rcIncrement:
         result = true