X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcode%2Fdebug-int.lisp;h=ef48049f5dd53f08727a54a6de238ef581fb4c1e;hb=4255b37e50876702d2563f3418a44a3f5bf8a2e8;hp=9df9a292f537b76165dda5d594e84ea739669dee;hpb=e57523089c7ad0ce2c874c03ecfe721d299efbfb;p=sbcl.git

diff --git a/src/code/debug-int.lisp b/src/code/debug-int.lisp
index 9df9a29..ef48049 100644
--- a/src/code/debug-int.lisp
+++ b/src/code/debug-int.lisp
@@ -527,11 +527,13 @@
     #!-stack-grows-downward-not-upward
     (and (sap< x (current-sp))
          (sap<= control-stack-start x)
-         (or (not aligned) (zerop (logand (sap-int x) sb!vm:fixnum-tag-mask))))
+         (or (not aligned) (zerop (logand (sap-int x)
+                                          (1- (ash 1 sb!vm:word-shift))))))
     #!+stack-grows-downward-not-upward
     (and (sap>= x (current-sp))
          (sap> control-stack-end x)
-         (or (not aligned) (zerop (logand (sap-int x) sb!vm:fixnum-tag-mask))))))
+         (or (not aligned) (zerop (logand (sap-int x)
+                                          (1- (ash 1 sb!vm:word-shift))))))))
 
 (declaim (inline component-ptr-from-pc))
 (sb!alien:define-alien-routine component-ptr-from-pc (system-area-pointer)