Merge branch 'gcc-unused' into refs/top-bases/gcc-branch

Conflicts:
	module/zfs/dbuf.c
	module/zfs/dsl_dataset.c

module/zfs/dbuf.c

@@ -332,7 +332,7 @@ dbuf_verify(dmu_buf_impl_t *db)
 	 * dnode_set_blksz().
 	 */
 	if (db->db_level == 0 && db->db.db_object == DMU_META_DNODE_OBJECT) {
-		ASSERTV(dbuf_dirty_record_t *dr = db->db_data_pending);
+		dr = db->db_data_pending;
 		/*
 		 * It should only be modified in syncing context, so
 		 * make sure we only have one copy of the data.

module/zfs/dsl_dataset.c

@@ -1098,7 +1098,6 @@ dsl_dataset_destroy(dsl_dataset_t *ds, void *tag, boolean_t defer)
 	if (ds->ds_phys->ds_bp.blk_fill == 0 &&
 	    dmu_objset_userused_enabled(os)) {
 		ASSERTV(uint64_t count);
-
 		ASSERT(zap_count(os, DMU_USERUSED_OBJECT, &count) != 0 ||
 		    count == 0);
 		ASSERT(zap_count(os, DMU_GROUPUSED_OBJECT, &count) != 0 ||