A fix similar to yours has already been harvested for 3.9a.  Please see

http://bugs.impara.de/view.php?id=1872

Ken Causey

On Wed, 2005-12-21 at 10:37 +0100, Diego Gomez Deck wrote:
> from preamble:
> 
> "Change Set:		DebuggerFix-dgd
> Date:			18 December 2005
> Author:			Diego Gomez Deck <DiegoGomezDeck at consultar.com>
> 
> Fix an error in the incremental programming facilities providen by the
> Debugger.
> 
> Error: When a method is implemented using the [Create] button from the
> debugger, the method is called with only one parameter: The failed
> message
> 
> Fix: Moves the arguments from the message to the context temps.
> "
> 
> -- Diego
> 
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