Compile the following with a DEBUG build: ```csharp class Program { static ref int F() { throw null; } static void Main() { _ = ref F(); } } ``` Result: `Debug.Assert()` failure in `Binder.CheckValue()` - see [Binder.ValueChecks.cs#L263](https://github.com/dotnet/roslyn/blob/main/src/Compilers/CSharp/Portable/Binder/Binder.ValueChecks.cs#L263).
Compile the following with a DEBUG build:
Result:
Debug.Assert()failure inBinder.CheckValue()- see Binder.ValueChecks.cs#L263.