[Rd] Problem with expression evaluation depth (PR#436)

[jperez@cesma.usb.ve]

Full_Name: Jose M. Perez
Version: 0.99.0a
OS: Linux - 2.0.38
Submission from: (NULL) (159.90.200.68)


Hi,
I'm having problems with the check of
infinite recursion in the expression evaluation 
depth.
The problem appears in a program with no recursions
whatsoever. The layout of my program is a series
of routines called by a big loop.
I printed out depthsave in  src/main/eval.c
and it appears as there is an error popping out
the length of the expression stack, R_EvalDepth,
somewhere. As the loop goes, R_EvalDepth goes up
and down, but in average, it alway increases.

For the moments, I commented out the check with
options$expression and my program finished succesfully.
Any help would be appreciated.

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