--- Faster/Faster.xs	2006/03/10 22:18:39	1.7
+++ Faster/Faster.xs	2006/03/12 17:03:39	1.8
@@ -10,35 +10,38 @@
 static OP *
 faster_entersub (pTHX)
 {
-  dSP;
-  dTOPss;
-
-  if (SvTYPE (sv) == SVt_PVGV)
-    sv = (SV *)GvCV (sv);
-
-  if (sv)
+  if (!PL_compcv) // only when not compiling, reduces recompiling due to op-address-shift
     {
-      // only once for now
-      PL_op->op_ppaddr = old_entersub;
+      dSP;
+      dTOPss;
 
-      // only simple cv calls for now
-      if (!PL_perldb && !PL_tainting
-          && SvTYPE (sv) == SVt_PVCV && !CvXSUB (sv)
-          && CvSTART (sv) // must exist
-          && CvSTART (sv)->op_type != OP_NULL) // shield against compiling an already-compiled op
+      if (SvTYPE (sv) == SVt_PVGV)
+        sv = (SV *)GvCV (sv);
+
+      if (sv)
         {
-          SV *bsv = newSViv (PTR2IV (sv));
+          // only once for now
+          PL_op->op_ppaddr = old_entersub;
+
+          // only simple cv calls for now
+          if (!PL_perldb && !PL_tainting
+              && SvTYPE (sv) == SVt_PVCV && !CvXSUB (sv)
+              && CvSTART (sv) // must exist
+              && CvSTART (sv)->op_type != OP_NULL) // shield against compiling an already-compiled op
+            {
+              SV *bsv = newSViv (PTR2IV (sv));
 
-          ENTER;
-          SAVETMPS;
-          PUSHMARK (SP);
-          // emulate B::CV typemap entry we don't have
-          XPUSHs (sv_2mortal (sv_bless (newRV_noinc (bsv), gv_stashpv ("B::CV", 1))));
-          PUTBACK;
-          call_pv ("Faster::entersub", G_VOID|G_DISCARD|G_EVAL);
-          SPAGAIN;
-          FREETMPS;
-          LEAVE;
+              ENTER;
+              SAVETMPS;
+              PUSHMARK (SP);
+              // emulate B::CV typemap entry we don't have
+              XPUSHs (sv_2mortal (sv_bless (newRV_noinc (bsv), gv_stashpv ("B::CV", 1))));
+              PUTBACK;
+              call_pv ("Faster::entersub", G_VOID|G_DISCARD|G_EVAL);
+              SPAGAIN;
+              FREETMPS;
+              LEAVE;
+            }
         }
     }