diff -U3 /home/pgbfarm/buildroot/HEAD/pgsql.build/src/test/regress/expected/plpgsql.out /home/pgbfarm/buildroot/HEAD/pgsql.build/src/test/regress/results/plpgsql.out
--- /home/pgbfarm/buildroot/HEAD/pgsql.build/src/test/regress/expected/plpgsql.out	2019-05-09 09:00:10.653795677 +0100
+++ /home/pgbfarm/buildroot/HEAD/pgsql.build/src/test/regress/results/plpgsql.out	2019-10-10 21:21:46.406007734 +0100
@@ -5419,6 +5419,7 @@
 -- now change 'name' to an integer to see what happens...
 ALTER TABLE alter_table_under_transition_tables
   ALTER COLUMN name TYPE int USING name::integer;
+WARNING:  rewriting table alter_table_under_transition_tables
 UPDATE alter_table_under_transition_tables
   SET name = (name::text || name::text)::integer;
 WARNING:  old table = 1=11,2=22,3=33, new table = 1=1111,2=2222,3=3333