From 0106cfdbe2908f90d8315b6dca0b3ab09f485c35 Mon Sep 17 00:00:00 2001
From: ringabout <43030857+ringabout@users.noreply.github.com>
Date: Thu, 18 Dec 2025 21:48:12 +0800
Subject: [PATCH] oops

---
 compiler/transf.nim | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/compiler/transf.nim b/compiler/transf.nim
index e9ecf9bc3a..5187f05346 100644
--- a/compiler/transf.nim
+++ b/compiler/transf.nim
@@ -129,9 +129,10 @@ proc transformSymAux(c: PTransf, n: PNode): PNode =
     if s.kind == skIterator:
       if c.tooEarly: return n
       else:
-        let transformedBody = injectDestructorCalls(c.graph, c.idgen, s, body)
-        let closureBody = transformClosureIterator(c.graph, c.idgen, s, transformedBody)
-        s.closureBody = closureBody
+        if s.closureBody == nil:
+          let transformedBody = injectDestructorCalls(c.graph, c.idgen, s, body)
+          let closureBody = transformClosureIterator(c.graph, c.idgen, s, transformedBody)
+          s.closureBody = closureBody
         return liftIterSym(c.graph, n, c.idgen, getCurrOwner(c))
     elif s.kind in {skProc, skFunc, skConverter, skMethod} and not c.tooEarly:
       # top level .closure procs are still somewhat supported for 'Nake':