From 5bc573cf1e7b4d0eb56c5fe669381802a1c3a2d9 Mon Sep 17 00:00:00 2001
From: flywind <43030857+xflywind@users.noreply.github.com>
Date: Thu, 5 Nov 2020 18:55:42 +0800
Subject: [PATCH] close #10307(add testcase for #10307) (#15840)

(cherry picked from commit dfa2f011d7e7856074729d3d809d2848b9b897c1)
---
 tests/magics/t10307.nim | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 tests/magics/t10307.nim

diff --git a/tests/magics/t10307.nim b/tests/magics/t10307.nim
new file mode 100644
index 0000000000..111b0d221d
--- /dev/null
+++ b/tests/magics/t10307.nim
@@ -0,0 +1,23 @@
+discard """
+  cmd: "nim c -d:useGcAssert $file"
+  output: '''running someProc(true)
+res: yes
+yes
+running someProc(false)
+res:
+'''
+"""
+
+proc someProc(x:bool):cstring =
+  var res:string = ""
+  if x:
+    res = "yes"
+  echo "res: ", res
+  GC_ref(res)
+  result = res
+
+echo "running someProc(true)"
+echo someProc(true)
+
+echo "running someProc(false)"
+echo someProc(false)
\ No newline at end of file