X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=inline;f=src%2Fcompiler%2Farray-tran.lisp;h=0cf927964da2f799d10e0f7b8dc470346afc2385;hb=7aef55b130d95c384b63422807f1848faa9aba5a;hp=82b3bdb83e8ddc30d8bb4873aac03dd3c2c68659;hpb=a5b1b81acd785b8864ec8ef48c17ac2b48bc1d06;p=sbcl.git

diff --git a/src/compiler/array-tran.lisp b/src/compiler/array-tran.lisp
index 82b3bdb..0cf9279 100644
--- a/src/compiler/array-tran.lisp
+++ b/src/compiler/array-tran.lisp
@@ -98,6 +98,10 @@
        (values element-type
                (when (eq *wild-type* element-type)
                  (apply #'type-union element-supertypes)))))
+    (member-type
+     ;; Convert member-type to an union-type.
+     (array-type-upgraded-element-type
+      (apply #'type-union (mapcar #'ctype-of (member-type-members type)))))
     (t
      ;; KLUDGE: there is no good answer here, but at least
      ;; *wild-type* won't cause HAIRY-DATA-VECTOR-{REF,SET} to be
@@ -174,9 +178,14 @@
         ;; we can already decide on the result of the optimization without
         ;; even taking a look at the dimensions.
         (flet ((subscript-bounds (subscript)
-                 (let* ((type (lvar-type subscript))
-                        (low (numeric-type-low type))
-                        (high (numeric-type-high type)))
+                 (let* ((type1 (lvar-type subscript))
+                        (type2 (if (csubtypep type1 (specifier-type 'integer))
+                                   (weaken-integer-type type1 :range-only t)
+                                   (give-up)))
+                        (low (if (integer-type-p type2)
+                                 (numeric-type-low type2)
+                                 (give-up)))
+                        (high (numeric-type-high type2)))
                    (cond
                      ((and (or (not (bound-known-p low)) (minusp low))
                            (or (not (bound-known-p high)) (not (minusp high))))
@@ -1091,7 +1100,8 @@
              `(deftransform ,name ((array index ,@extra))
                 (let* ((type (lvar-type array))
                        (element-type (array-type-upgraded-element-type type))
-                       (declared-type (array-type-declared-element-type type)))
+                       (declared-type (type-specifier
+                                       (array-type-declared-element-type type))))
                   ;; If an element type has been declared, we want to
                   ;; use that information it for type checking (even
                   ;; if the access can't be optimized due to the array