diff -dur pan-0.14.2.91/pan/base/msort.c src.pan.1135212550.26493.3069070791/pan-0.14.2.91/pan/base/msort.c
--- pan-0.14.2.91/pan/base/msort.c	2001-06-18 20:33:38.000000000 +0200
+++ src.pan.1135212550.26493.3069070791/pan-0.14.2.91/pan/base/msort.c	2005-12-23 22:28:43.000000000 +0100
@@ -62,18 +62,18 @@
 		/* operating on aligned words.  Use direct word stores. */
 		while (n1 > 0 && n2 > 0)
 		{
+			unsigned long int **tmpptr = &tmp, **bptr;
 			if ((*cmp) (b1, b2) <= 0)
 			{
 				--n1;
-				*((unsigned long int *) tmp)++ =
-					*((unsigned long int *) b1)++;
+				bptr = &b1;
 			}
 			else
 			{
 				--n2;
-				*((unsigned long int *) tmp)++ =
-					*((unsigned long int *) b2)++;
+				bptr = &b2;
 			}
+			**tmpptr = *bptr; (*tmpptr)++; (*bptr)++;
 		}
 	else
 		while (n1 > 0 && n2 > 0)