1 files changed, 14 insertions, 0 deletions
diff --git a/tests/overload/toverl4.nim b/tests/overload/toverl4.nim
index 537925674..455a73515 100644
--- a/tests/overload/toverl4.nim
+++ b/tests/overload/toverl4.nim
@@ -75,3 +75,17 @@ proc add*[TKey, TData](root: var PElement[TKey, TData], key: TKey, data: TData)
 var tree = PElement[int, int](kind: ElementKind.inner, key: 0, left: nil, right: nil)
 let result = add(tree, 1, 1)
 echo(result)
+
+# bug #3748
+type
+  Foo = object
+    bar: int
+
+proc bar(cur: Foo, val: int, s:seq[string]) =
+  discard cur.bar
+
+proc does_fail(): Foo =
+  let a = @["a"]
+  result.bar(5, a)
+
+doAssert does_fail().bar == 0