Merge pull request #11581 from mdfirman:rectify3Collinear_bugfix
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Wed, 23 May 2018 20:19:11 +0000 (20:19 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Wed, 23 May 2018 20:19:12 +0000 (20:19 +0000)

Trivial merge