Merge pull request #11990 from alalek:clone_nodiscard_attribute
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Tue, 17 Jul 2018 15:34:08 +0000 (15:34 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Tue, 17 Jul 2018 15:34:08 +0000 (15:34 +0000)

Trivial merge