X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Floop.lisp;h=6b9a43aaaac49e4abef570e68dcff6c0b7f567ed;hb=007bcd5aac2f3a1e714563bd39f7a2db2d0bf7c2;hp=565ab9a467e53df308c478e46028dbb6d94f18ca;hpb=20282f309195a58fd8b79bb2e1b3105da3ad3992;p=sbcl.git

diff --git a/src/code/loop.lisp b/src/code/loop.lisp
index 565ab9a..6b9a43a 100644
--- a/src/code/loop.lisp
+++ b/src/code/loop.lisp
@@ -916,11 +916,8 @@ code to be loaded.
 ;;;; loop types
 
 (defun loop-typed-init (data-type &optional step-var-p)
-  (cond
-    ((null data-type)
-     nil)
-    ((sb!xc:subtypep data-type 'number)
-     (let ((init (if step-var-p 1 0)))
+  (when (and data-type (sb!xc:subtypep data-type 'number))
+    (let ((init (if step-var-p 1 0)))
       (flet ((like (&rest types)
                (coerce init (find-if (lambda (type)
                                        (sb!xc:subtypep data-type type))
@@ -935,11 +932,7 @@ code to be loaded.
                      '(complex long-float)
                      '(complex float)))
               (t
-               init)))))
-    ((sb!xc:subtypep data-type 'vector)
-     (coerce nil data-type))
-    (t
-     nil)))
+               init))))))
 
 (defun loop-optional-type (&optional variable)
   ;; No variable specified implies that no destructuring is permissible.