0.8.17.30:

[sbcl.git] / src / code / cross-type.lisp

diff --git a/src/code/cross-type.lisp b/src/code/cross-type.lisp
index 752f7c2..47fc196 100644 (file)
--- a/src/code/cross-type.lisp
+++ b/src/code/cross-type.lisp
@@ -82,6 +82,9 @@
                  'fixnum)
                 (t
                  'integer)))
+          ((subtypep raw-result 'simple-string)
+           `(simple-base-string ,(length object)))
+          ((subtypep raw-result 'string) 'base-string)
          ((some (lambda (type) (subtypep raw-result type))
                 '(array character list symbol))
           raw-result)
@@ -360,6 +363,11 @@
      (make-member-type :members (list x)))
     (number
      (ctype-of-number x))
+    (string
+     (make-array-type :dimensions (array-dimensions x)
+                      :complexp (not (typep x 'simple-array))
+                      :element-type (specifier-type 'base-char)
+                      :specialized-element-type (specifier-type 'base-char)))
     (array
      (let ((etype (specifier-type (array-element-type x))))
        (make-array-type :dimensions (array-dimensions x)