---- Reported by gert.driesen@pandora.be 2006-08-07 11:27:25 MST ----

mcs and gmcs do not report CS0136 when a local variable is re-declared as 
a anonymous method parameter, and use the local variable in the anonymous 
method instead of the parameter.

To reproduce, compile the following code snippet:

using System;
using System.Xml;

public delegate void XmlWriterClosedEventHandler (XmlWriter writer);

public class Test {
  public XmlWriterClosedEventHandler Closed;

  public void Whatever ()
  {
    Console.WriteLine ("This should not execute!");
  }

  static void Main () {
    Test t = new Test ();
    t.Closed += delegate (XmlWriter t) {
      t.Whatever ();
    };
    t.Closed(null);
  }
}

Expected result:

test.cs(16,25): error CS0136: A local variable named 't' cannot be 
declared in this scope because it would give a different meaning to 't', 
which is already used in a 'parent or current' scope to denote something 
else

Actual result:

Successful compilation, and when the resulting assembly is run the 
text "This should not execute!" is output, proving that mcs uses the 
outer variable t which is of type Test in the anonymous method instead of 
the parameter (XmlWriter) t.



---- Additional Comments From gert.driesen@pandora.be 2006-08-24 05:34:10 MST ----

*** https://bugzilla.novell.com/show_bug.cgi?id=MONO79153 has been marked as a duplicate of this bug. ***



---- Additional Comments From martin@ximian.com 2006-10-04 18:14:50 MST ----

Fixed in SVN.



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

Fixed in SVN.


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