From 80255e67e30c4d77be64a5fa8dc68c0a55f39ebc Mon Sep 17 00:00:00 2001
From: Bastien Montagne <b.mont29@gmail.com>
Date: Thu, 9 Apr 2020 11:19:11 +0200
Subject: Silence assert on ID usercount for deprecated IPO.

We do not really care about those, so just avoid the noise when loading
very old files...

Re T75389.
---
 source/blender/blenkernel/intern/lib_id.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'source')

diff --git a/source/blender/blenkernel/intern/lib_id.c b/source/blender/blenkernel/intern/lib_id.c
index 286ee4a8723..487ec0bf161 100644
--- a/source/blender/blenkernel/intern/lib_id.c
+++ b/source/blender/blenkernel/intern/lib_id.c
@@ -320,7 +320,11 @@ void id_us_min(ID *id)
                  id->lib ? id->lib->filepath : "[Main]",
                  id->us,
                  limit);
-      BLI_assert(0);
+      if (GS(id->name) != ID_IP) {
+        /* Do not assert on deprecated ID types, we cannot really ensure that their ID refcounting
+         * is valid... */
+        BLI_assert(0);
+      }
       id->us = limit;
     }
     else {
-- 
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