How to reproduce:
1. Open attached project "vert_test.zip"
2. In the Project window, go to Assets > Scenes and open "SampleScene" Scene
3. In the Hierarchy window, expand Canvas GameObject and double-click the Text GameObject to focus it
4. Set up Scene View and Game View so both can be visible and enable Stats in Game View
5. Observe Tris and Verts in the Game View Statistics window
6. Select Rect tool by pressing T on the keyboard and narrow Text GameObject's width until the text wraps
7. See Tris and Verts change in Game View Statistics window

Expected result: Tris and Verts do not change when text wraps
Actual result: Tris and Verts change when text wraps

Reproducible with: 2019.1.5f1, 2019.4.0f1, 2020.1.0b12, 2020.2.0a14
Not reproducible with: 2017.4.40f1, 2018.4.23f1, 2019.1.4f1