0.9.2.7:

[sbcl.git] / src / code / debug-int.lisp

diff --git a/src/code/debug-int.lisp b/src/code/debug-int.lisp
index 2d960c7..d8f4d72 100644 (file)
--- a/src/code/debug-int.lisp
+++ b/src/code/debug-int.lisp
@@ -1750,27 +1750,11 @@ register."
 
 ;;; Return the CODE-LOCATION's DEBUG-SOURCE.
 (defun code-location-debug-source (code-location)
-  (etypecase code-location
-    (compiled-code-location
-     (let* ((info (compiled-debug-fun-debug-info
-                  (code-location-debug-fun code-location)))
-           (sources (sb!c::compiled-debug-info-source info))
-           (len (length sources)))
-       (declare (list sources))
-       (when (zerop len)
-        (debug-signal 'no-debug-blocks :debug-fun
-                      (code-location-debug-fun code-location)))
-       (if (= len 1)
-          (car sources)
-          (do ((prev sources src)
-               (src (cdr sources) (cdr src))
-               (offset (code-location-toplevel-form-offset code-location)))
-              ((null src) (car prev))
-            (when (< offset (sb!c::debug-source-source-root (car src)))
-              (return (car prev)))))))
-    ;; (There used to be more cases back before sbcl-0.7.0, when we
-    ;; did special tricks to debug the IR1 interpreter.)
-    ))
+  (let ((info (compiled-debug-fun-debug-info
+              (code-location-debug-fun code-location))))
+    (or (sb!c::debug-info-source info)
+       (debug-signal 'no-debug-blocks :debug-fun
+                     (code-location-debug-fun code-location)))))
 
 ;;; Returns the number of top level forms before the one containing
 ;;; CODE-LOCATION as seen by the compiler in some compilation unit. (A
@@ -1993,6 +1977,9 @@ register."
   (if (or
        ;; fixnum
        (zerop (logand val sb!vm:fixnum-tag-mask))
+       ;; immediate single float, 64-bit only
+       #!+#.(cl:if (cl:= sb!vm::n-machine-word-bits 64) '(and) '(or))
+       (= (logand val #xff) sb!vm:single-float-widetag)
        ;; character
        (and (zerop (logandc2 val #x1fffffff)) ; Top bits zero
            (= (logand val #xff) sb!vm:character-widetag)) ; char tag
@@ -2009,7 +1996,7 @@ register."
                (< sb!vm:static-space-start val
                   (* sb!vm:*static-space-free-pointer*
                      sb!vm:n-word-bytes))
-               (< sb!vm:dynamic-space-start val
+               (< (current-dynamic-space-start) val
                   (sap-int (dynamic-space-free-pointer))))))
       (make-lisp-obj val)
       :invalid-object))