--- /dev/null
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+int main ()
+{
+char *foo;
+char *bar;
+__mf_set_options ("-check-initialization");
+foo = (char *)malloc (10);
+bar = (char *)malloc (10);
+/* bar[2] = 'z'; */ /* don't touch memcpy source */
+memcpy(foo+1, bar+1, 9);
+return 0;
+}
+/* { dg-output "mudflap violation 1.*check.read.*memcpy source.*" } */
+/* { dg-output "Nearby object.*" } */
+/* { dg-output "mudflap object.*malloc region.*alloc time.*" } */
+/* { dg-do run { xfail *-*-* } } */