[PATCH 2/4] server: Assert that `frame` can be computed from flags in redraw_window().

[Jinoh Kang]

From: Jinoh Kang

---
 server/window.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/server/window.c b/server/window.c
index 7dcce310959..7fed5d955a0 100644
--- a/server/window.c
+++ b/server/window.c
@@ -1626,6 +1626,7 @@ static void redraw_window( struct window *win, struct region *region, int frame,

if (flags & RDW_INVALIDATE)
     {
+        assert( frame == !!(flags & RDW_FRAME) );
         if (!(tmp = crop_region_to_win_rect( win, region, frame ))) return;

if (!add_update_region( win, tmp )) return;
@@ -1641,6 +1642,7 @@ static void redraw_window( struct window *win, struct region *region, int frame,
         }
         else if (win->update_region)
         {
+            assert( frame == !!(flags & WINE_RDW_NESTED) );
             if ((tmp = crop_region_to_win_rect( win, region, frame )))
             {
                 if (!subtract_region( tmp, win->update_region, tmp ))