[PATCH v4] libio: use PTR_MANGLE/PTR_DEMANGLE for FILE vtables

[Florian Weimer]

On 05/25/2016 11:09 PM, Kees Cook wrote:
> +#ifndef USE_COMPAT_LIBIO
> +  PTR_MANGLE (_IO_JUMPS_FILE_plus_RAW (stdin));

Does anybody know why we have #ifdef PTR_MANGLE in some many places?

Is it for Hurd's benefit?  Then we we'd need it here as well because 
it's generic code.

Florian