From 2f14bead31896b3ea969ebf34b2ca2b1521544f0 Mon Sep 17 00:00:00 2001
From: Neil Hodgson <nyamatongwe@gmail.com>
Date: Thu, 20 Feb 2014 13:58:00 +1100
Subject: Check that argument is of correct type.

---
 cocoa/PlatCocoa.mm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cocoa/PlatCocoa.mm b/cocoa/PlatCocoa.mm
index 28c0f8107..da87a7b13 100644
--- a/cocoa/PlatCocoa.mm
+++ b/cocoa/PlatCocoa.mm
@@ -1179,6 +1179,7 @@ void Window::SetPosition(PRectangle rc)
     else
     {
       // NSWindow
+      PLATFORM_ASSERT([idWin isKindOfClass: [NSWindow class]]);
       NSWindow* win = reinterpret_cast<NSWindow*>(idWin);
       int screenHeight = ScreenMax(win);
       NSRect nsrc = NSMakeRect(rc.left, screenHeight - rc.bottom,
-- 
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