19:20:41stassatsbecause SB-C::FUNCTIONAL-MAY-ESCAPE-P returns NIL, because it's called on the LET, not the local function
19:20:56stassats(let (x) (block nil (flet ((x () (return 33))) (setf x #'x))) (funcall x)) => "attempt to RETURN-FROM a block or GO to a tag that no longer exists"
19:25:02stassatscalling LAMBDA-HOME on it appears to be enough