Bug in factor



factor(taylor(sin(x),x,%pi/4,20));

Maxima encountered a Lisp error:

 Error in MACSYMA-TOP-LEVEL [or a callee]: Bind stack overflow.

But
factor(taylor(sin(x),x,%pi/4,19));
give a result.


Maxima 5.10.0, GCL 2.6.8, winXP


Laurent.