diff -rupN generic/tclXgeneral.c generic_fix/tclXgeneral.c
--- generic/tclXgeneral.c	2002-04-04 01:09:05.000000000 -0500
+++ generic_fix/tclXgeneral.c	2013-07-19 17:49:57.726435546 -0400
@@ -405,7 +405,7 @@ TclX_LoopObjCmd (dummy, interp, objc, ob
 		char buf [64];
 		
 		sprintf (buf, "\n    (\"loop\" body line %d)", 
-			interp->errorLine);
+			Tcl_GetErrorLine(interp));
 		Tcl_AddErrorInfo (interp, buf);
 	    }
 	    break;
diff -rupN generic/tclXlib.c generic_fix/tclXlib.c
--- generic/tclXlib.c	2005-03-24 00:04:38.000000000 -0500
+++ generic_fix/tclXlib.c	2013-07-19 17:49:57.739768878 -0400
@@ -239,7 +239,7 @@ EvalFilePart (interp, fileName, offset,
      */
     buf = ckalloc (strlen (fileName) + 64);
     sprintf (buf, "\n    (file \"%s\" line %d)", fileName,
-             interp->errorLine);
+             Tcl_GetErrorLine(interp));
     Tcl_AddErrorInfo (interp, buf);
     ckfree (buf);
     goto errorExit;