1 files changed, 13 insertions, 0 deletions
diff --git a/tests/misc/tsizeof.nim b/tests/misc/tsizeof.nim
index 50d1c645a..f3d946a56 100644
--- a/tests/misc/tsizeof.nim
+++ b/tests/misc/tsizeof.nim
@@ -536,3 +536,16 @@ proc main() =
   typeProcessing(mylocal)
 
 main()
+
+# issue #11320 use UncheckedArray
+
+type
+  Payload = object
+    something: int8
+    vals: UncheckedArray[int32]
+
+proc payloadCheck() =
+  doAssert offsetOf(Payload, vals) == 4
+  doAssert sizeOf(Payload) == 4
+
+payloadCheck()