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Postponed means that the issue was either a feature request or something that requires major refactoring on our side. Since that makes the issue not actionable in the close future we choose to close it as Postponed and add it on our internal roadmaps and technical debt pages instead.




Found in






Issue ID




Building the project with IL2CPP fails when Visual Studio 2019 16.5.4 is used



How to reproduce:
1. Open the attached project named "Case_1232169"
2. Open the Build Settings
3. Check if the "OpenThis" Scene was included and build the project. Target platform - Windows_64

Expected result: Build succeeds
Actual result: Build fails

Reproducible with: 2018.4.23f1, 2019.3.14f1, 2020.1.0b9, 2020.2.0a11

1. Testing was done using VS 2017 15.0.0 and VS 2019 16.5.4
2. VS 2017 was tested with 2019.3.7f1 and has completed the build successfully, whereas VS 2019 would fail every time

  1. Resolution Note:

    This is a bug in the Visual Studio 2019 C++ compiler. We have submitted a bug report to Microsoft for this issue:

Comments (1)

  1. guavaman

    May 07, 2020 19:04

    Just to add some information, this is caused by the Visual Studio 2019 16.5 update. Specifically, it is related to the new optimizer used in VS 2019. You can disable this new compiler and continue using VS 2019 by following the directions in this post:

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