Fix T51184: Crash of Blender when I try to join an object with one that has booleans...
[blender.git] / source / blender / editors / mesh / meshtools.c
index 743efb246ab37c2acb5eafd77aaaba6f1767bf28..7faa1dd99e162a6263d7824d3203af01fe34b05b 100644 (file)
@@ -57,6 +57,7 @@
 #include "BKE_main.h"
 #include "BKE_mesh.h"
 #include "BKE_material.h"
+#include "BKE_object.h"
 #include "BKE_report.h"
 #include "BKE_editmesh.h"
 #include "BKE_multires.h"
@@ -596,6 +597,9 @@ int join_mesh_exec(bContext *C, wmOperator *op)
                BKE_key_sort(key);
        }
 
+       /* Due to dependnecy cycle some other object might access old derived data. */
+       BKE_object_free_derived_caches(ob);
+
        DAG_relations_tag_update(bmain);   /* removed objects, need to rebuild dag */
 
        DAG_id_tag_update(&ob->id, OB_RECALC_OB | OB_RECALC_DATA);