0.8.1.49:

        * Fix bug 262: LOAD-DEFMETHOD-INTERNAL checks whether GF has
          any methods before calling FIND-METHOD;
        ... late condition slot installers do not overwrite GF lambda
        list.

BUGS

@@ -1067,31 +1067,6 @@ WORKAROUND:
 
   Urgh... It's time to write IR1-copier.
 
-262:
-  In 0.8.1.32:
-
-    * (ensure-generic-function 'foo)
-    #<STANDARD-GENERIC-FUNCTION FOO (0)>
-    * (defmethod foo (x) x)
-    debugger invoked on condition of type SIMPLE-ERROR:
-      The generic function #<STANDARD-GENERIC-FUNCTION FOO (0)> takes 0 required
-      arguments; was asked to find a method with specializers (#<BUILT-IN-CLASS T>)
-
-  AMOP seems to say that it should work (first ADD-METHOD initializes
-  GF lambda list).
-
-264:
-  (reported by <dsk> on #lisp 2003-07-16)
-
-    (progv '(foo) '(1)
-      (eval '(symbol-macrolet ((foo 3))
-               (declare (special foo))
-               foo)))
-
-  does not signal an error.
-
-  (fixed in 0.8.1.37)
-
 265:
   SB-EXT:RUN-PROGRAM is currently non-functional on Linux/PPC;
   attempting to use it leads to segmentation violations.  This is
@@ -1117,6 +1092,15 @@ WORKAROUND:
   is allowed to by CLHS 3.2.2.3.  CMUCL, however, does perform this
   optimization.
 
+268: "wrong free declaration scope"
+  The following code must signal type error:
+
+    (locally (declare (optimize (safety 3)))
+      (flet ((foo (x &optional (y (car x)))
+               (declare (optimize (safety 0)))
+               (list x y)))
+        (funcall (eval #'foo) 1)))
+
 DEFUNCT CATEGORIES OF BUGS
   IR1-#:
     These labels were used for bugs related to the old IR1 interpreter.

src/code/late-condition.lisp

@@ -15,11 +15,11 @@
 (fmakunbound 'install-condition-slot-writer)
 (defun install-condition-slot-reader (name condition slot-name)
   (unless (fboundp name)
-    (ensure-generic-function name :lambda-list '(condition)))
+    (ensure-generic-function name))
   (eval `(defmethod ,name ((.condition. ,condition))
            (condition-reader-function .condition. ',slot-name))))
 (defun install-condition-slot-writer (name condition slot-name)
   (unless (fboundp name)
-    (ensure-generic-function name :lambda-list '(new-value condition)))
+    (ensure-generic-function name))
   (eval `(defmethod ,name (new-value (.condition. ,condition))
            (condition-writer-function .condition. new-value ',slot-name))))

src/pcl/boot.lisp

@@ -1362,6 +1362,7 @@ bootstrapping.
 	     (fboundp gf-spec))
     (let* ((gf (fdefinition gf-spec))
 	   (method (and (generic-function-p gf)
+                        (generic-function-methods gf)
 			(find-method gf
 				     qualifiers
                                      (parse-specializers specializers)

tests/clos.impure.lisp

@@ -676,5 +676,12 @@
   (let ((f (compile nil `(lambda () (make-instance ',class-name)))))
     (assert (typep (funcall f) class-name))))
 
+;;; bug 262: DEFMETHOD failed on a generic function without a lambda
+;;; list
+(ensure-generic-function 'bug262)
+(defmethod bug262 (x y)
+  (list x y))
+(assert (equal (bug262 1 2) '(1 2)))
+
 ;;;; success
 (sb-ext:quit :unix-status 104)

version.lisp-expr

@@ -17,4 +17,4 @@
 ;;; checkins which aren't released. (And occasionally for internal
 ;;; versions, especially for internal versions off the main CVS
 ;;; branch, it gets hairier, e.g. "0.pre7.14.flaky4.13".)
-"0.8.1.48"
+"0.8.1.49"