BUG #14847: "make check" fails 1 of 178 tests

The following bug has been logged on the website:

Bug reference: 14847
Logged by: Bernhard Rosenkraenzer
Email address: bero@lindev.ch
PostgreSQL version: 10.0
Operating system: OpenMandriva Linux (kernel 4.13.5, glibc 2.26)
Description:

Running "make check" after building postgresql 10.0 results in

[...]
test stats ... FAILED
============== shutting down postmaster ==============

========================
1 of 178 tests failed.
========================

The differences that caused some tests to fail can be viewed in the
file
"/home/bero/abf/postgresql/BUILD/postgresql-10.0/src/test/regress/regression.diffs".
A copy of the test summary that you see
above is saved in the file
"/home/bero/abf/postgresql/BUILD/postgresql-10.0/src/test/regress/regression.out".

regression.diffs:
***
/home/bero/abf/postgresql/BUILD/postgresql-10.0/src/test/regress/expected/stats.out2017-10-02
23:09:15.000000000 +0200
---
/home/bero/abf/postgresql/BUILD/postgresql-10.0/src/test/regress/results/stats.out2017-10-07
17:02:03.791369854 +0200
***************
*** 8,14 ****
SHOW track_counts; -- must be on
track_counts
--------------
! on
(1 row)

  -- ensure that both seqscan and indexscan plans are allowed
--- 8,14 ----
  SHOW track_counts;  -- must be on
   track_counts 
  --------------
!  off
  (1 row)

-- ensure that both seqscan and indexscan plans are allowed
***************
*** 162,172 ****
WHERE relname like 'trunc_stats_test%' order by relname;
relname | n_tup_ins | n_tup_upd | n_tup_del | n_live_tup |
n_dead_tup

-------------------+-----------+-----------+-----------+------------+------------
! trunc_stats_test | 3 | 0 | 0 | 0 |
0
! trunc_stats_test1 | 4 | 2 | 1 | 1 |
0
! trunc_stats_test2 | 1 | 0 | 0 | 1 |
0
! trunc_stats_test3 | 4 | 0 | 0 | 2 |
2
! trunc_stats_test4 | 2 | 0 | 0 | 0 |
2
(5 rows)

  SELECT st.seq_scan >= pr.seq_scan + 1,
--- 162,172 ----
   WHERE relname like 'trunc_stats_test%' order by relname;
        relname      | n_tup_ins | n_tup_upd | n_tup_del | n_live_tup |
n_dead_tup 

-------------------+-----------+-----------+-----------+------------+------------
! trunc_stats_test | 0 | 0 | 0 | 0 |
0
! trunc_stats_test1 | 0 | 0 | 0 | 0 |
0
! trunc_stats_test2 | 0 | 0 | 0 | 0 |
0
! trunc_stats_test3 | 0 | 0 | 0 | 0 |
0
! trunc_stats_test4 | 0 | 0 | 0 | 0 |
0
(5 rows)

SELECT st.seq_scan >= pr.seq_scan + 1,
***************
*** 177,183 ****
WHERE st.relname='tenk2' AND cl.relname='tenk2';
?column? | ?column? | ?column? | ?column?
----------+----------+----------+----------
! t | t | t | t
(1 row)

  SELECT st.heap_blks_read + st.heap_blks_hit >= pr.heap_blks +
cl.relpages,
--- 177,183 ----
   WHERE st.relname='tenk2' AND cl.relname='tenk2';
   ?column? | ?column? | ?column? | ?column? 
  ----------+----------+----------+----------
!  f        | f        | f        | f
  (1 row)

SELECT st.heap_blks_read + st.heap_blks_hit >= pr.heap_blks +
cl.relpages,
***************
*** 186,199 ****
WHERE st.relname='tenk2' AND cl.relname='tenk2';
?column? | ?column?
----------+----------
! t | t
(1 row)

SELECT pr.snap_ts < pg_stat_get_snapshot_timestamp() as snapshot_newer
FROM prevstats AS pr;
snapshot_newer
----------------
! t
(1 row)

  DROP TABLE trunc_stats_test, trunc_stats_test1, trunc_stats_test2,
trunc_stats_test3, trunc_stats_test4;
--- 186,199 ----
   WHERE st.relname='tenk2' AND cl.relname='tenk2';
   ?column? | ?column? 
  ----------+----------
!  f        | f
  (1 row)

SELECT pr.snap_ts < pg_stat_get_snapshot_timestamp() as snapshot_newer
FROM prevstats AS pr;
snapshot_newer
----------------
! f
(1 row)

DROP TABLE trunc_stats_test, trunc_stats_test1, trunc_stats_test2,
trunc_stats_test3, trunc_stats_test4;

======================================================================

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