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Won't Fix
Votes
1
Found in
2019.4
2019.4.23f1
Issue ID
1380058
Regression
No
Build fails on Addressables.CleanBundleCache() when IL2CPP is set as scripting backend
Reproduction steps:
1. Open the attached project ("1380058.zip")
2. Make sure scripting backend is set to IL2CPP
3. Build the "SampleScene" scene
Expected result: Build succeeds
Actual result: Build fails with error:
...
il2cpp.exe didn't catch exception: Unity.IL2CPP.Building.BuilderFailedException: Assembly-CSharp.cpp
C:\Users\tmas\Downloads\1380058\Temp\StagingArea\Data\il2cppOutput\Assembly-CSharp.cpp(926): error C2664: 'SimpleCoroutineAwaiter_1_t052DDFF7345D9A5069CD7897CAC7BA63E1BB4357 IEnumeratorAwaitExtensions_GetAwaiter_mC5B5AF30103409816F9CD22B1C55EEA6E8ABF10F(RuntimeObject ,const RuntimeMethod )': cannot convert argument 1 from 'AsyncOperationHandle_1_t36D72943587590EDD9C8D824796BBDCAA3FD7777' to 'RuntimeObject '
C:\Users\tmas\Downloads\1380058\Temp\StagingArea\Data\il2cppOutput\Assembly-CSharp.cpp(926): note: No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called
C:\Users\tmas\Downloads\1380058\Temp\StagingArea\Data\il2cppOutput\Assembly-CSharp.cpp(807): note: see declaration of 'IEnumeratorAwaitExtensions_GetAwaiter_mC5B5AF30103409816F9CD22B1C55EEA6E8ABF10F'
...
Reproducible with: Addressables 1.19.11 (2019.4.32f1)
Not reproducible with: Addressables 1.19.11 (2020.3.23f1, 2021.1.28f1, 2021.2.3f1, 2022.1.0a15)
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Resolution Note (2022.1.X):
This is a C# compiler bug that is corrected in the C# compiler shipped with Unity 2020 and later. We don't plan to back port the C# compiler version to 2019.4.