How to reproduce:
1. Open QA-supplied project
2. Load scene "repro"
3. Observe Scene view
4. (Optional) Adjust the X coordinate of Element 5
Expected result: GameObject's Line Renderer should be the same width across all of its length
Actual result: GameObject's Line Renderer's width is wider in the bottom left corner
Not reproducible with: 5.5.4p4, 5.6.3p2, 2017.1.0p4_892c0f8d8f8a, 2017.2.0b6 2017.3.0a3
Reproducible with 2017.1.0p4_993b526d98f5, 2017.2.0b7, 2017.2.0b10, 2017.3.0a4, 2017.3.0a6
Regression introduced in: 2017.1.0p4_993b526d98f5, 2017.2.0b7, 2017.3.0a4
Note from RichardK: Please also check case: https://fogbugz.unity3d.com/f/cases/952016/
QA closed as duplicate, but that case exhibits issues where the line loops, too, whereas this case does not.