Is this a bad pointer bug?

[Marcel Cox]

"H. J. Lu" <hjl@lucon.org> wrote in message
news:20030718041719.GA21789@lucon.org...
> # cat x.c
> #include <stdlib.h>
>
> struct a
> {
>   unsigned int x[11];
> };
>
> unsigned long i;
> struct a *c=( struct a*)0x3f736080UL, *b= (struct a*)0x1000048UL;
>
> int
> main()
> {
>   i = (0x3f736080UL-0x1000048UL)/sizeof (struct a);
>   if (i != (c - b))
>     abort ();
>   return 0;
> }
> # gcc x.c
> # ./a.out
> zsh: 21264 abort      ./a.out
>
> Intel compiler works fine. Is this a really bad pointer bug?
>

Your pointers c and b are not even a multiple of 44 apart. So their
difference is absolutely meaningless.


Marcel