gdb-intro-kwlug/examples/corefile/1.c

static void foo_segv (void);

static void
bar (void)
{
  foo_segv ();
}

static void
foo_segv (void)
{
  int *x = 0;

  *x = 5;
}

static void
baz (void)
{
  bar ();
}

int
main (int argc, char *argv[])
{
  baz ();
  return 0;
}