gistfile1.txt

using System;
using System.Threading;

class Program
{
    ~Program()
    {
        Console.WriteLine("Finalizer executed.");
    }

    private void DemonstrateOddity()
    {
        Console.WriteLine("This is in an instance method.");
        GC.Collect();
        GC.WaitForPendingFinalizers();
        // Just to prove it isn't a matter of the finalizer thread racing for console output
        Thread.Sleep(5000);
        Console.WriteLine("This is the end of the instance method.");        
    }

    static void Main()
    {
        // Output in .NET 4.6.2 in release mode:
        // This is in an instance method.
        // Finalizer executed.
        // This is the end of the instance method.
        new Program().DemonstrateOddity();
    }
}