tweak tail merging logic

[sbcl.git] / contrib / sb-sprof / sb-sprof.lisp

diff --git a/contrib/sb-sprof/sb-sprof.lisp b/contrib/sb-sprof/sb-sprof.lisp
index ab1edf2..dd1760c 100644 (file)
--- a/contrib/sb-sprof/sb-sprof.lisp
+++ b/contrib/sb-sprof/sb-sprof.lisp
@@ -514,7 +514,7 @@ profiling")
   ;;; This in turn will distribute the notice to those threads we are
   ;;; interested using SIGPROF.
   (defun thread-distribution-handler ()
-    (declare (optimize sb-c::merge-tail-calls))
+    (declare (optimize speed (space 0)))
     (when *sampling*
       #+sb-thread
       (let ((lock *distribution-lock*))