Commits on Sep 22, 2022

1. Disable EventSource support in NativeAOT by default …

   `DiagnosticSource` is currently not AOT compatible. If a machine-wide DiagnosticSource-related event listener is enabled (such as PerfView, or possibly even a managed VS debugging session) it activates `DiagnosticSource` code paths within the executable and basically injects a runtime failure into NativeAOT processes due to the AOT-incompatibility of the code.
   
   E.g. trying to do a `HttpClient` web request with PerfView collecting in the background causes a runtime exception to be thrown.
   
   This uses the documented switch to disable `EventSource` support (unless the user specified a different value). Indirectly, it disables `DiagnosticSource` as well.
   
   As a side effect, disabling `EventSource` drops the size of a NativeAOT-compiled Hello World from 3.48 MB to 2.85 MB 🥳.

   

   MichalStrehovsky committed Sep 22, 2022
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2. Fix tests

   

   MichalStrehovsky committed Sep 22, 2022
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3. Update Microsoft.Extensions.Hosting.Unit.Tests.csproj

   

   MichalStrehovsky committed Sep 22, 2022
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