From 186c63c4eb82b608d13b87df0b8f300afb0da949 Mon Sep 17 00:00:00 2001
From: "Enrico Weigelt, metux IT consult" <info@metux.net>
Date: Wed, 18 Sep 2024 16:49:42 +0200
Subject: [PATCH] assert

---
 render/picture.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/render/picture.c b/render/picture.c
index 0d3bb521c..5508ebe30 100644
--- a/render/picture.c
+++ b/render/picture.c
@@ -1544,6 +1544,8 @@ CompositePicture(CARD8 op,
     if (op == PictOpDst)
         return;
 
+    assert(ps->Composite);
+
     (*ps->Composite) (op,
                       pSrc,
                       pMask,