--- Coro/Coro/State.xs	2009/08/22 22:36:23	1.371
+++ Coro/Coro/State.xs	2009/10/01 23:50:23	1.372
@@ -1762,6 +1762,7 @@
             }
           else
             {
+              /* TODO: deprecated, remove, cannot work reliably *//*D*/
               dSP;
 
               ENTER;
@@ -2332,6 +2333,7 @@
     croak ("FATAL: Coro SLF calls can only be made normally, not via goto or any other means, caught");
 
   CvFLAGS (cv) |= CVf_SLF;
+  CvNODEBUG_on (cv);
   CvXSUBANY (cv).any_ptr = (void *)init_cb;
   slf_cv = cv;