From a744e3439e165be13f8f0ba5262b8f1efec0d86d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9C=80=E8=90=8C=E5=B0=8F=E6=B1=90?= <sumneko@hotmail.com>
Date: Thu, 15 Dec 2022 20:23:26 +0800
Subject: stash

---
 test/type_inference/init.lua | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'test')

diff --git a/test/type_inference/init.lua b/test/type_inference/init.lua
index eb2d2e5c..8ae65e48 100644
--- a/test/type_inference/init.lua
+++ b/test/type_inference/init.lua
@@ -1871,6 +1871,15 @@ if xxx and x then
 end
 ]]
 
+TEST 'unknown' [[
+---@type integer?
+local x
+
+if not x and x then
+    print(<?x?>)
+end
+]]
+
 TEST 'integer' [[
 ---@type integer?
 local x
-- 
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