X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Ftarget-sxhash.lisp;h=571b9c184cec137cf6b9f7d4561c23fb8cb360b7;hb=f9aaac53a4a43ebae198f53079857acb2d628eb0;hp=cc574a5d11c3249ecb985fc08043d5a9c6db0b9a;hpb=167783bfb18752b93ab76993a39bc5161a73448a;p=sbcl.git

diff --git a/src/code/target-sxhash.lisp b/src/code/target-sxhash.lisp
index cc574a5..571b9c1 100644
--- a/src/code/target-sxhash.lisp
+++ b/src/code/target-sxhash.lisp
@@ -63,12 +63,10 @@
   ;; algorithms, but we're not pushing them hard enough here for them
   ;; to be cryptographically strong.)
   (let* ((xy (+ (* x 3) y)))
-    (declare (type (unsigned-byte 32) xy))
-    (the (and fixnum unsigned-byte)
-	 (logand most-positive-fixnum
-		 (logxor 441516657
-			 xy
-			 (the fixnum (ash xy -5)))))))
+    (logand most-positive-fixnum
+            (logxor 441516657
+                    xy
+                    (ash xy -5)))))
 
 ;;;; hashing strings
 ;;;;
@@ -84,11 +82,12 @@
   (declare (type index count))
   (let ((result 408967240))
     (declare (type fixnum result))
-    (dotimes (i count)
-      (declare (type index i))
-      (mixf result
-	    (the fixnum
-		 (ash (char-code (aref string i)) 5))))
+    (unless (typep string '(vector nil))
+      (dotimes (i count)
+	(declare (type index i))
+	(mixf result
+	      (the fixnum
+		(ash (char-code (aref string i)) 5)))))
     result))
 ;;; test:
 ;;;   (let ((ht (make-hash-table :test 'equal)))