Reproduction steps:
1. Open the attached user's Unity project "2021CreateDelegateCrash.zip"
2. Open the "TheCrashScene.unity" Scene
3. Go to File > Build Settings
4. Build and install the application on a device
5. Observe the application on a device

Expected result: The application does not crash
Actual result: The application crash

Reproducible with: 2021.2.0b16, 2021.2.8f1
Not reproducible with: 2019.4.34f1, 2020.3.26f1, 2021.2.0b15, 2022.1.0a1, 2022.1.0b3, 2022.2.0a2

Reproduces with these devices:
VLNQA00277 - Asus ROG Phone (ASUS_Z01QD), OS: 9.0.0, CPU: Snapdragon 845 SDM845, GPU: Adreno 630
VLNQA00121 - Samsung Galaxy S9 (SM-G960F), OS: 9.0.0, CPU: Exynos 9 Series 9810, GPU: Mali-G72
VLNQA00147 - Razer Phone (Cheryl), OS: 8.1.0, CPU: Snapdragon 835 MSM8998, GPU: Adreno 540
VLNQA00410 - Galaxy Z Fold3 5G (SM-F926U), OS: 11, CPU: Snapdragon 888, GPU: Adreno 660
VLNQA00404 - Galaxy Z Flip3 5G (SM-F711B), OS: 11, CPU: Snapdragon 888, GPU: Adreno 660
VLNQA00219 - Samsung Galaxy Note9 USA (SM-N960U), OS: 8.1.0, CPU: Snapdragon 845 SDM845, GPU: Adreno 630
VLNQA00006 - Samsung Galaxy S7 (SM-G930F), OS: 8.0.0, CPU: Exynos 8 Octa (8890), GPU: Mali-T880
VLNQA00263 - Google Pixel 3 (Pixel 3), OS: 10.0.0, CPU: Snapdragon 845, GPU: Adreno 630
VLNQA00022 - Xiaomi Redmi Note 3 (Redmi Note 3), OS: 6.0.1, CPU: Snapdragon 650 MSM8956, GPU: Adreno 510

Notes:
- Issue is not reproducible when Mono Scripting Backend is selected