From db6ffeba8e8be9d27a8c4610952b0424e9c46d4a Mon Sep 17 00:00:00 2001
From: Clyybber <darkmine956@gmail.com>
Date: Fri, 10 Jul 2020 17:31:15 +0200
Subject: [PATCH] Add testcase for #13815 (#14956)

---
 tests/iter/tclosureiters.nim | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/tests/iter/tclosureiters.nim b/tests/iter/tclosureiters.nim
index 345a4867a..0ee8e81cc 100644
--- a/tests/iter/tclosureiters.nim
+++ b/tests/iter/tclosureiters.nim
@@ -19,7 +19,9 @@ discard """
 0
 1
 2
-70'''
+70
+0
+'''
 """
 
 when true:
@@ -139,3 +141,14 @@ iterator filesIt(path: string): auto {.closure.} =
     let prefix = path.splitPath[1]
     for f in files:
       yield prefix / f
+
+# bug #13815
+var love = iterator: int {.closure.} =
+  yield cast[type(
+    block:
+      var a = 0
+      yield a
+      a)](0)
+
+for i in love():
+  echo i