From fa1764d7cb77aa683c6049f915a46b981f9161f7 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 8 Feb 2022 21:13:01 +0800
Subject: ...

---
 src/osx/gui/Window.mm | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/osx/gui')

diff --git a/src/osx/gui/Window.mm b/src/osx/gui/Window.mm
index f8a72599..4f2937a3 100644
--- a/src/osx/gui/Window.mm
+++ b/src/osx/gui/Window.mm
@@ -166,6 +166,8 @@ Point OsxWindowPrivate::TransformMousePoint(const Point& point) {
 }
 
 void OsxWindowPrivate::CreateWindow() {
+  Expects(!window_);
+
   NSRect content_rect = Convert(content_rect_);
   NSWindowStyleMask style_mask = CalcWindowStyleMask(style_flag_);
 
-- 
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