Steps to reproduce:
1. Open the attached user project " SampleUnityIL2CppBug.zip"
2. Open the Build Settings window and make sure that SampleScene is in the list of scenes
3. Make an IL2CPP development build with Autoconnect Profiler enabled
4. Observe the result in the Editor Console "(offs (value) 12 - 12)"
5. Open the attached project on Unity 2022.3.4 and repeat the steps above
6. Observe the result in the Editor Console "(offs (value) 12 - 16)"

Expected results: MARSHAL.OFFSETOF calculates the correct offset of property within Explicit layout with FieldOffset
Actual Results: MARSHAL.OFFSETOF fails to calculate the correct offset of property within Explicit layout with FieldOffset

Reproducible in: 2022.2.0a7, 2022.3.5f1, 2023.1.5f1, 2023.2.0b1, 2023.3.0a1
Not reproducible: 2021.3.28f1, 2022.2.0a5
Couldn't test on 2022.2.0a6 due to this error "GfxDeviceD3D11Base::WaitForLastPresentationAndGetTimestamp()" when building the Player and launching it