[Rd] R windows crash (PR#9426)

[Prof Brian Ripley]

On Thu, 21 Dec 2006, Peter Dalgaard wrote:

[...]

> This seems reproducible on  Linux, except that it goes into an infinite
> loop. The lm call seems to be the real culprit:
>
> > testfun <- function(aa=aa) return(aa)
> > testfun()
> Error in testfun() : recursive default argument reference
> > testfun <- function(aa=aa) lm(x~y,data=aa)
> > testfun()
> (*poof*)

The difference is in argument evaluation between closures and internal 
functions (c() in my example, return() in yours).

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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