diff --git a/tests/ccgbugs/t26063.nim b/tests/ccgbugs/t26063.nim
new file mode 100644
index 0000000000..8444bbf9f9
--- /dev/null
+++ b/tests/ccgbugs/t26063.nim
@@ -0,0 +1,44 @@
+discard """
+  matrix: "--mm:refc; --mm:orc"
+  output: '''
+ok
+ok
+'''
+"""
+block:
+  type Node = object
+    children: seq[Node]
+
+  proc buildMoved(n: var Node): Node =
+    Node(children: move(n.children[0].children))
+
+  proc actMoved(n: var Node) =
+    n.children[0] = Node(children: @[buildMoved(n)])
+    doAssert n.children[0].children.len == 1
+
+  proc main =
+    var a = Node(children: @[Node(children: @[Node()])])
+    actMoved(a)
+    doAssert a.children[0].children.len == 1
+
+  main()
+  echo "ok"
+
+block:
+  type Node = object
+    children: seq[Node]
+
+  proc buildCopied(n: var Node): Node =
+    let kids = n.children[0].children
+    Node(children: kids)
+
+  proc actCopied(n: var Node) =
+    n.children[0] = Node(children: @[buildCopied(n)])
+
+  proc main =
+    var b = Node(children: @[Node(children: @[Node()])])
+    actCopied(b)
+    doAssert b.children[0].children.len == 1
+
+  main()
+  echo "ok"  
\ No newline at end of file