---- Reported by flipper98@gmx.net 2006-03-10 11:21:26 MST ----

Please fill in this template when reporting a bug, unless you know what you
are doing.
Description of Problem:

gmcs generates wrong code in certain scenarios where anonymous methods are
involved.

Steps to reproduce the problem:
compile the attached example code.

Actual Results:
bad code
(program crashes)

Expected Results:
good code :D

How often does this happen? 
always

Additional Information:

this is the code you should gmcs fed with:

using System;

namespace ConsoleApplication1
{
    class Program
    {

        static void Main(string[] args)
        {
            Program p = new Program();
            p.f(false);
        }

        public void f(bool anyCondition)
        {
            if (anyCondition)
            {
                new MethodInvoker(
                    delegate
                    {
                        Console.WriteLine("anonymous code");
                    }).BeginInvoke(null, null);

                return;
            }

            O o = new O("1", "2", "3");

            new MethodInvoker(
                    delegate
                    {
                        Console.WriteLine(o.AnyMethod());
                    }).BeginInvoke(null, null);

        }

        private delegate void MethodInvoker();

        private class O
        {
            public O(params string[] args)
            {
                // ...
            }

            public string AnyMethod()
            {
                return "";
            }
        }
    }
}

this is the code of function f() actually produced by gmcs (decompiled with
reflector):

public void f(bool anyCondition)
{
      Program.<>AnonHelp<0> p<>1;
      if (anyCondition)
      {
            p<>1 = new Program.<>AnonHelp<0>(); // <-- NOOO, dear gmcs,
thats the wrong place! ;)
            new
Program.MethodInvoker(p<>1.<#AnonymousMethod>0).BeginInvoke(null, null);
      }
      else
      {
            string[] textArray1 = new string[] { "1", "2", "3" };
            p<>1.<0:o> = new Program.O(textArray1);
            new
Program.MethodInvoker(p<>1.<#AnonymousMethod>1).BeginInvoke(null, null);
      }
}



---- Additional Comments From zulu99@gmx.net 2006-03-11 08:51:39 MST ----

...and here is a testcase with irrelevant code removed:

using System;
class Program
{
    static void Main(string[] args)
    {
        Program p = new Program();
        p.f(false);
    }

    public void f(bool anyCondition)
    {
        if (anyCondition)
        {
            MyDelegate d1 =
                delegate
                {
                    Console.WriteLine("d1");
                };
            d1();
        }

        string s = "blah";

        MyDelegate d2 =
                delegate
                {
                    Console.WriteLine(s);
                };
        d2();
    }

    private delegate void MyDelegate();
}




---- Additional Comments From miguel@ximian.com 2006-03-13 19:44:23 MST ----

Am looking into this.

The problem seems to be that we have a "host" set when we should not
have one:

Host=/tmp/yu.cs(15,17): am=/tmp/yu.cs(25,17):

Thats inside AddLocal.

What this does is it makes the methods share the same variable
definition (s), but that is wrong.



---- Additional Comments From martin@ximian.com 2006-09-14 11:26:07 MST ----

PEVerifies ok



---- Additional Comments From martin@ximian.com 2006-10-04 18:14:51 MST ----

Fixed in SVN.



---- Additional Comments From martin@ximian.com 2006-10-04 18:18:36 MST ----

Fixed in SVN.


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   <cf_op_sys_details>fedora core 4</cf_op_sys_details>
Unknown operating system other. Setting to default OS "Other".