SLSIA. Is this intentional, or is it a bug?
? (defun baz (n)
(let ((x n))
(if (< x 0) t (baz (1- x)))))
BAZ
? (defun foo (n)
(destructuring-bind (x) (list n)
(if (< x 0) t (foo (1- x)))))
FOO
? (baz 100000)
T
? (foo 100000)
> Error: Stack overflow on temp stack.
> While executing: FOO, in process Listener(7).