Fix T46913: Crash adding hook to linked mesh dupli

Follow up to T46738, we need to tag the object data for recalculation.

4 files changed, 7 insertions, 2 deletions

diff --git a/source/blender/editors/mesh/editmesh_utils.c b/source/blender/editors/mesh/editmesh_utils.c
index 148398fca5c..4a9be4978b1 100644
--- a/source/blender/editors/mesh/editmesh_utils.c
+++ b/source/blender/editors/mesh/editmesh_utils.c
@@ -382,7 +382,7 @@ void EDBM_mesh_make(ToolSettings *ts, Object *ob)
 
 /**
  * \warning This can invalidate the #DerivedMesh cache of other objects (for linked duplicates).
- * Most callers should run #DAG_id_tag_update on \a ob, see: T46738.
+ * Most callers should run #DAG_id_tag_update on \a ob->data, see: T46738, T46913
  */
 void EDBM_mesh_load(Object *ob)
 {
diff --git a/source/blender/editors/object/object_hook.c b/source/blender/editors/object/object_hook.c
index 6a1220bbbaa..492b6724f93 100644
--- a/source/blender/editors/object/object_hook.c
+++ b/source/blender/editors/object/object_hook.c
@@ -318,7 +318,7 @@ static bool object_hook_index_array(Scene *scene, Object *obedit,
 			EDBM_mesh_load(obedit);
 			EDBM_mesh_make(scene->toolsettings, obedit);
 
-			DAG_id_tag_update(&obedit->id, 0);
+			DAG_id_tag_update(obedit->data, 0);
 
 			em = me->edit_btmesh;
 
diff --git a/source/blender/editors/object/object_relations.c b/source/blender/editors/object/object_relations.c
index c638714a951..a1f59166c81 100644
--- a/source/blender/editors/object/object_relations.c
+++ b/source/blender/editors/object/object_relations.c
@@ -138,6 +138,8 @@ static int vertex_parent_set_exec(bContext *C, wmOperator *op)
 		EDBM_mesh_load(obedit);
 		EDBM_mesh_make(scene->toolsettings, obedit);
 
+		DAG_id_tag_update(obedit->data, 0);
+
 		em = me->edit_btmesh;
 
 		EDBM_mesh_normals_update(em);
diff --git a/source/blender/makesrna/intern/rna_object.c b/source/blender/makesrna/intern/rna_object.c
index 42d8c8e0cb4..96749e32e45 100644
--- a/source/blender/makesrna/intern/rna_object.c
+++ b/source/blender/makesrna/intern/rna_object.c
@@ -275,6 +275,9 @@ static void rna_Object_active_shape_update(Main *bmain, Scene *scene, PointerRNA
 			case OB_MESH:
 				EDBM_mesh_load(ob);
 				EDBM_mesh_make(scene->toolsettings, ob);
+
+				DAG_id_tag_update(ob->data, 0);
+
 				EDBM_mesh_normals_update(((Mesh *)ob->data)->edit_btmesh);
 				BKE_editmesh_tessface_calc(((Mesh *)ob->data)->edit_btmesh);
 				break;