From 0b4c5ba1b51a995984fde632e442f0bbc4f6f37a Mon Sep 17 00:00:00 2001
From: ringabout <43030857+ringabout@users.noreply.github.com>
Date: Fri, 19 Sep 2025 21:31:08 +0800
Subject: [PATCH] fixes `asyncthreadpool`; `refc` having troubles with closures
 hooks

---
 compiler/injectdestructors.nim | 3 ++-
 tests/arc/t24760.nim           | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/compiler/injectdestructors.nim b/compiler/injectdestructors.nim
index 82c4b9bef0..1f2cff7e5f 100644
--- a/compiler/injectdestructors.nim
+++ b/compiler/injectdestructors.nim
@@ -165,7 +165,8 @@ proc isLastReadImpl(n: PNode; c: var Con; scope: var Scope): bool =
 
 template hasDestructorOrAsgn(c: var Con, typ: PType): bool =
   # bug #23354; an object type could have a non-trivial assignements when it is passed to a sink parameter
-  hasDestructor(c, typ) or (typ.kind == tyObject and not isTrivial(getAttachedOp(c.graph, typ, attachedAsgn)))
+  hasDestructor(c, typ) or (c.graph.config.selectedGC in {gcArc, gcOrc, gcAtomicArc} and
+        typ.kind == tyObject and not isTrivial(getAttachedOp(c.graph, typ, attachedAsgn)))
 
 proc isLastRead(n: PNode; c: var Con; s: var Scope): bool =
   if not hasDestructorOrAsgn(c, n.typ): return true
diff --git a/tests/arc/t24760.nim b/tests/arc/t24760.nim
index 4eb65a3774..cd6f60c252 100644
--- a/tests/arc/t24760.nim
+++ b/tests/arc/t24760.nim
@@ -1,5 +1,5 @@
 discard """
-  matrix: "--mm:refc; --mm:orc"
+  matrix: "--mm:orc"
   errormsg: "=dup' is not available for type <B>, which is inferred from unavailable '=copy'; requires a copy because it's not the last read of 'b'; another read is done here: t24760.nim(19, 8); routine: g"
 """