How to reproduce:
1. Open the user's attached project "TestShader.zip"
2. Load the Scene "test1"
3. Build and Run the project to an Android device
4. On the device move both of the UI sliders completely to the right

Expected result: Both eyelids get properly closed
Actual result: Left eyelid clips over and exceeds its length, right eyelid is completely open

Reproducible with: 2018.4.30f1, 2019.4.17f1, 2020.1.17f1, 2020.2.0a20
Not reproducible with: 2020.2.0a21, 2020.2.0f1, 2021.1.0a9

Reproducible on:
VLNQA00022, Xiaomi Redmi Note 3, Android 6.0.1, CPU: Snapdragon 617 MSM8952, GPU: Adreno (TM) 510
VLNQA00052, Xiaomi MI MAX, Android 7.0, CPU: Snapdragon 617 MSM8952, GPU: Adreno (TM) 510
Reproduces according to the user on:
OPPO R9s, Android: 6.0, CPU: Octa-core 2.0 GHz Cortex-A53, GPU: Adreno 506
Vivo X7, Android: 6.0, CPU: Octa-core (4x1.8 GHz Cortex-A-72 & 4x1.4 GHz Cortex A-53), GPU: Adreno 510
OPPO R9sk, Android: 7.1.1, CPU: Octa-core 2.0 GHz Cortex-A53, GPU: Adreno 506

Not reproducible on:
VLNQA00288, Samsung Galaxy J7, Android 8.1.0, CPU: Exynos 7 Octa 7870, GPU: Mali-T830
VLNQA00332, Samsung Galaxy XCover4, Android 9, CPU: Exynos 7 Quad 7570, GPU: Mali-T720
N/A, Nokia 7 Plus, Android 10, CPU: Snapdragon 660, GPU: Adreno (TM) 512
N/A, Google Pixel XL, Android 9, CPU: Snapdragon 821 MSM8996 Pro, GPU: Adreno (TM) 530
N/A, Meizu MX5, Android 5.0.1, CPU: MediaTek Helio X10 MT6795T, GPU: PowerVR Rogue G6200