[BUGS] BUG #14823: The request is executed indefinitely version 10rc1

The following bug has been logged on the website:

Bug reference:      14823
Logged by:          Andrey Osipkov
Email address:      OsipkovAS@mosreg.ru
PostgreSQL version: 10beta4
Operating system:   Linux andrey-pc 4.4.0-72-generic # 93-Ubuntu SMP F
Description:

version: postgresql 10rc1
Processor: Intel (R) Core (TM) i7-5600U CPU @ 2.60GHz
Memory: 7872MiB

The request for postgresql 10 rc1 is performed indefinitely:
9.5.9 - run time - 2 seconds
10rc1 - run time infinitely

Attachment files:
base.sql.zip - dump the required tables (200 MiB) - link
https://drive.google.com/open?id=0B_jqtQpaEJr2WjBUbXlscXNsdVU
request.sql - our request link
https://drive.google.com/open?id=0B_jqtQpaEJr2SDRmWGJBdUVKTjA
result_request.csv - result of our request link
https://drive.google.com/open?id=0B_jqtQpaEJr2NHZqdThCR1ktT2s


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