Index: /trunk/src/VBox/GuestHost/OpenGL/util/mem.c
===================================================================
--- /trunk/src/VBox/GuestHost/OpenGL/util/mem.c	(revision 23613)
+++ /trunk/src/VBox/GuestHost/OpenGL/util/mem.c	(revision 23614)
@@ -115,6 +115,6 @@
 DECLEXPORT(void) crMemcpy( void *dst, const void *src, unsigned int bytes )
 {
-	CRASSERT(dst);
-	CRASSERT(src);
+	CRASSERT(dst || 0==bytes);
+	CRASSERT(src || 0==bytes);
 	(void) memcpy( dst, src, bytes );
 }