"1.0.41.2": threads: Add memory-barrier framework.

[sbcl.git] / src / code / eval.lisp

diff --git a/src/code/eval.lisp b/src/code/eval.lisp
index 9529f29..ac9718f 100644 (file)
--- a/src/code/eval.lisp
+++ b/src/code/eval.lisp
@@ -29,9 +29,14 @@
   ;; to be careful about not muffling warnings arising from inner
   ;; evaluations/compilations, though [e.g. the ignored variable in
   ;; (DEFUN FOO (X) 1)].  -- CSR, 2003-05-13
+  ;;
+  ;; As of 1.0.21.6 we muffle compiler notes lexically here, which seems
+  ;; always safe. --NS
   (let* (;; why PROGN?  So that attempts to eval free declarations
          ;; signal errors rather than return NIL.  -- CSR, 2007-05-01
-         (lambda `(lambda () (progn ,expr)))
+         (lambda `(lambda ()
+                    (declare (muffle-conditions compiler-note))
+                    (progn ,expr)))
          (fun (sb!c:compile-in-lexenv nil lambda lexenv)))
     (funcall fun)))
 
@@ -125,7 +130,7 @@
         (typecase exp
           (symbol
            (ecase (info :variable :kind exp)
-             ((:special :global :constant)
+             ((:special :global :constant :unknown)
               (symbol-value exp))
              ;; FIXME: This special case here is a symptom of non-ANSI
              ;; weirdness in SBCL's ALIEN implementation, which could