#3589 Stack overflow for a limit evaluation

[Alberto Casagrande]

By evaluating:

limit((sqrt(x)-2)*log(1-sqrt(x)/2),x,4,minus);

we get

Maxima encountered a Lisp error:

 Condition in MACSYMA-TOP-LEVEL [or a callee]: INTERNAL-SIMPLE-ERROR: Bind stack overflow.

Maxima version: "5.42.1"
Maxima build date: "2019-01-15 11:28:41"
Host type: "x86_64-pc-linux-gnu"
Lisp implementation type: "GNU Common Lisp (GCL)"
Lisp implementation version: "GCL 2.6.12"

[Alberto Casagrande]

Solved by patch proposal #90

[Dan Gildea]

fixed by [78eedaa0993d63670e83fcb89901c36d71f21f46]