SequencePointBuilder: No sequence points generated for nested ILFunctions (i.e., lambdas)

[siegfriedpammer]

Test case:

class Program
{
    static void Main(string[] args)
    {
        Console.WriteLine(args.Length);
        Test((a, b) => a + b);
    }

    static void Test(Func<int, int, int> f)
    {
        f(1, 2);
    }
}

Note that this makes the PortablePdbWriter generate an invalid pdb file. We'll need fixes in both areas.

[dgrunwald]

Cannot reproduce; stepping into lambdas works fine.