Does not build in SBCL - type inference error

[quicklisp]

Build log is here: http://report.quicklisp.org/2018-09-27/failure-report/manardb.html#manardb

[vii]

is this a regression in SBCL?

[quicklisp]

11:08 < Xach> Hmm, is http://report.quicklisp.org/2018-09-10/failure-report/manardb.html#manardb a manardb code error? The project seems extremely "stable" (last commit 9 years ago)
11:16 < stassats> looks like it
11:18 < stassats> basically it ends up being (typecase x (simple-array x) (array (function-that-accepts-simple-vector x)))
11:20 < stassats> it even has a declaim inside a defun