Update code comments from DAG_id_tag_update to DEG_id_tag_update

source/blender/blenkernel/intern/paint.c

@@ -711,7 +711,7 @@ void BKE_sculptsession_bm_to_me_for_render(Object *object)
 		if (object->sculpt->bm) {
 			/* Ensure no points to old arrays are stored in DM
 			 *
-			 * Apparently, we could not use DAG_id_tag_update
+			 * Apparently, we could not use DEG_id_tag_update
 			 * here because this will lead to the while object
 			 * surface to disappear, so we'll release DM in place.
 			 */

source/blender/depsgraph/intern/depsgraph_query.cc

@@ -222,7 +222,7 @@ void DEG_objects_iterator_next(BLI_Iterator *iter)
 
 			/* Make sure we have the base collection settings is already populated.
 			 * This will fail when BKE_layer_eval_layer_collection_pre hasn't run yet
-			 * Which usually means a missing call to DAG_id_tag_update(). */
+			 * Which usually means a missing call to DEG_id_tag_update(). */
 			BLI_assert(!BLI_listbase_is_empty(&base->collection_properties->data.group));
 
 			/* Flushing depsgraph data. */

source/blender/editors/mesh/editmesh_tools.c

@@ -5063,7 +5063,7 @@ static void sort_bmelem_flag(Scene *scene, Object *ob,
 	}
 
 	BM_mesh_remap(em->bm, map[0], map[1], map[2]);
-/*	DAG_id_tag_update(ob->data, 0);*/
+/*	DEG_id_tag_update(ob->data, 0);*/
 
 	for (j = 3; j--; ) {
 		if (map[j])

source/blender/editors/mesh/editmesh_utils.c

@@ -383,7 +383,7 @@ void EDBM_mesh_make(ToolSettings *ts, Object *ob, const bool add_key_index)
 
 /**
  * \warning This can invalidate the #DerivedMesh cache of other objects (for linked duplicates).
- * Most callers should run #DAG_id_tag_update on \a ob->data, see: T46738, T46913
+ * Most callers should run #DEG_id_tag_update on \a ob->data, see: T46738, T46913
  */
 void EDBM_mesh_load(Object *ob)
 {

source/blender/editors/render/render_update.c

@@ -202,7 +202,7 @@ void ED_render_engine_changed(Main *bmain)
 }
 
 /***************************** Updates ***********************************
- * ED_render_id_flush_update gets called from DAG_id_tag_update, to do   *
+ * ED_render_id_flush_update gets called from DEG_id_tag_update, to do   *
  * editor level updates when the ID changes. when these ID blocks are in *
  * the dependency graph, we can get rid of the manual dependency checks  */
 

source/blender/editors/sculpt_paint/sculpt.c

@@ -4734,7 +4734,7 @@ static void sculpt_stroke_update_step(bContext *C, struct PaintStroke *UNUSED(st
 	 * Could be optimized later, but currently don't think it's so
 	 * much common scenario.
 	 *
-	 * Same applies to the DAG_id_tag_update() invoked from
+	 * Same applies to the DEG_id_tag_update() invoked from
 	 * sculpt_flush_update().
 	 */
 	if (ss->modifiers_active) {