X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Farray-tran.lisp;h=baf1b9809d92df8c8f80bc3b3ca32e43698c60a3;hb=de3bfc084239fa962ef001eaa68e5b6f4b9bbf81;hp=34d88402f2f1d0d5862350a9f2b536521a4f52b1;hpb=67a805dee41b93fa03c6e72f3d1ce3078dfe88eb;p=sbcl.git

diff --git a/src/compiler/array-tran.lisp b/src/compiler/array-tran.lisp
index 34d8840..baf1b98 100644
--- a/src/compiler/array-tran.lisp
+++ b/src/compiler/array-tran.lisp
@@ -169,6 +169,11 @@
     (block nil
       (let ((dimensions (array-type-dimensions-or-give-up
                          (lvar-conservative-type array))))
+        ;; Might be *. (Note: currently this is never true, because the type
+        ;; derivation infers the rank from the call to ARRAY-IN-BOUNDS-P, but
+        ;; let's keep this future proof.)
+        (when (eq '* dimensions)
+          (give-up-ir1-transform "array bounds unknown"))
         ;; shortcut for zero dimensions
         (when (some (lambda (dim)
                       (and (bound-known-p dim) (zerop dim)))
@@ -180,9 +185,11 @@
         (flet ((subscript-bounds (subscript)
                  (let* ((type1 (lvar-type subscript))
                         (type2 (if (csubtypep type1 (specifier-type 'integer))
-                                   (weaken-integer-type type1)
+                                   (weaken-integer-type type1 :range-only t)
                                    (give-up)))
-                        (low (numeric-type-low type2))
+                        (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))