Pointer to generic Type are not allowed.

[jkotas]

From @Neo-Ciber94 on June 19, 2018 16:44

Is impossible to declare pointers to generic types, .NET 7.3

    public struct Unmanaged<T> where T: unmanaged { }

    public unsafe struct SomeCoolAndSexyStruct<T> where T: unmanaged
    {
            public Unmanaged<T>* _pointer; //Not allowed
    }

Copied from original issue: dotnet/coreclr#18547

[jkotas]

This is C# language limitation.

[svick]

This looks like a duplicate of #1504.

[dzmitry-lahoda]

I got from pointers to wrongly reported error in safe code here https://stackoverflow.com/questions/52228109/a-generic-construct-requires-that-the-type-cellt-is-an-unmanaged-type

[YairHalberstadt]

Closing as championed in #1937 and implemented in C# 8