0.8.9.16:

[sbcl.git] / src / compiler / checkgen.lisp

diff --git a/src/compiler/checkgen.lisp b/src/compiler/checkgen.lisp
index 2f9f907..8d04f94 100644 (file)
--- a/src/compiler/checkgen.lisp
+++ b/src/compiler/checkgen.lisp
@@ -332,26 +332,30 @@
           nil)
          ((basic-combination-p dest)
           (let ((kind (basic-combination-kind dest)))
-            (cond ((eq cont (basic-combination-fun dest)) t)
-                  ((eq kind :local) t)
-                   ((eq kind :full)
-                    (and (combination-p dest)
-                         (not (values-subtypep ; explicit THE
-                               (continuation-externally-checkable-type cont)
-                               (continuation-type-to-check cont)))))
-
-                  ((eq kind :error) nil)
-                   ;; :ERROR means that we have an invalid syntax of
-                   ;; the call and the callee will detect it before
-                   ;; thinking about types.
-
-                  ((fun-info-ir2-convert kind) t)
-                  (t
-                   (dolist (template (fun-info-templates kind) nil)
-                     (when (eq (template-ltn-policy template) :fast-safe)
-                       (multiple-value-bind (val win)
-                           (valid-fun-use dest (template-type template))
-                         (when (or val (not win)) (return t)))))))))
+            (cond
+              ((eq cont (basic-combination-fun dest)) t)
+              (t
+               (ecase kind
+                 (:local t)
+                 (:full
+                  (and (combination-p dest)
+                       (not (values-subtypep ; explicit THE
+                             (continuation-externally-checkable-type cont)
+                             (continuation-type-to-check cont)))))
+                 ;; :ERROR means that we have an invalid syntax of
+                 ;; the call and the callee will detect it before
+                 ;; thinking about types.
+                 (:error nil)
+                 (:known
+                  (let ((info (basic-combination-fun-info dest)))
+                    (if (fun-info-ir2-convert info)
+                        t
+                        (dolist (template (fun-info-templates info) nil)
+                          (when (eq (template-ltn-policy template)
+                                    :fast-safe)
+                            (multiple-value-bind (val win)
+                                (valid-fun-use dest (template-type template))
+                              (when (or val (not win)) (return t)))))))))))))
          (t t))))
 
 ;;; Return a lambda form that we can convert to do a hairy type check