X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fcross-type.lisp;h=fee5884319eac9e76fecc71c62d2ef10787df61c;hb=a682f4c392bc874a6a898632889319ebdd8821fc;hp=0ac13c9d52e46e120b36f20372daca42a1c0d46c;hpb=39e19255f69cbba8668b4b7ffa58532ab6309375;p=sbcl.git

diff --git a/src/code/cross-type.lisp b/src/code/cross-type.lisp
index 0ac13c9..fee5884 100644
--- a/src/code/cross-type.lisp
+++ b/src/code/cross-type.lisp
@@ -162,6 +162,14 @@
              (target-type-is-in
               '(array simple-string simple-vector string vector))
              (values (typep host-object target-type) t))
+            (;; sequence is not guaranteed to be an exhaustive
+             ;; partition, but it includes at least lists and vectors.
+             (target-type-is-in '(sequence))
+             (if (or (vectorp host-object) (listp host-object))
+                 (values t t)
+                 (if (typep host-object target-type)
+                     (warn-and-give-up)
+                     (values nil t))))
             (;; general cases of vectors
              (and (not (hairy-type-p (values-specifier-type target-type)))
                   (sb!xc:subtypep target-type 'cl:vector))