valgrind/memcheck/tests/badloop.c

#include <stdio.h>

int main ( void )
{
   int a[5];
   int i, s;
   a[0] = a[1] = a[3] = a[4] = 0;
   s = 0;
   for (i = 0; i < 5; i++) 
      s += a[i];
   if (s == 377)
      printf("sum is %d\n", s);
   return 0;
}