Index: generic/nsf.c
===================================================================
diff -u -r27bb1e990885cba2fd62749c714566c01f2ca662 -re9526ccbad4ba04e46d73d78719ec4aa26312d6a
--- generic/nsf.c	(.../nsf.c)	(revision 27bb1e990885cba2fd62749c714566c01f2ca662)
+++ generic/nsf.c	(.../nsf.c)	(revision e9526ccbad4ba04e46d73d78719ec4aa26312d6a)
@@ -9489,7 +9489,7 @@
       //foo();
 
       /* for some unknown reasons, the folloing call crashes */
-      //mp_clear(&bignumValue);
+      mp_clear(&bignumValue);
 
       //fprintf(stderr, "call clear DONE\n");
     }
@@ -20944,6 +20944,9 @@
   if (Tcl_InitStubs(interp, "8.1", 0) == NULL) {
     return TCL_ERROR;
   }
+  if (Tcl_TomMath_InitStubs(interp, "8.1") == NULL) {
+    return TCL_ERROR;
+  }
 #endif
 
 #if defined(TCL_MEM_DEBUG)