gcc-4.3.1/gcc/testsuite/gcc.dg/Wint-to-pointer-cast-3.c

/* Test -Wno-int-to-pointer-cast.  */
/* Origin: Joseph Myers <joseph@codesourcery.com> */
/* { dg-do compile } */
/* { dg-options "-Wno-int-to-pointer-cast" } */

char c;

void *
f (void)
{
  return (void *) c;
}

void *p;

char
g (void)
{
  return (char) p; /* { dg-warning "cast from pointer to integer of different size" } */
}