--- /dev/null
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+int main ()
+{
+ int *bar = (int *) malloc (sizeof (int));
+/* Make an access here to get &foo into the lookup cache. */
+*bar = 5;
+__mf_watch (bar, sizeof(int));
+/* This access should trigger the watch violation. */
+*bar = 10;
+/* NOTREACHED */
+return 0;
+}
+/* { dg-output "mudflap violation 1.*watch.*" } */
+/* { dg-output "Nearby object 1.*" } */
+/* { dg-output "mudflap object.*malloc region.*" } */
+/* { dg-do run { xfail *-*-* } } */