Merge pull request #15935 from rgarnov:rg/fix_own_mat_empty
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Tue, 19 Nov 2019 11:08:19 +0000 (11:08 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Tue, 19 Nov 2019 11:08:19 +0000 (11:08 +0000)

Trivial merge