linux下编程用 编译软件

				/* Test -Wint-to-pointer-cast - on by default.  */				/* Origin: Joseph Myers  */				/* { dg-do compile } */				/* { dg-options "" } */								char c;								void *				f (void)				{				  return (void *) c; /* { dg-warning "warning: cast to pointer from integer of different size" } */				}