Bang Jun-Young <junyoung@mogua.com> writes:
> There's no known way to exploit system by memcpy. If there is, why
> not _DIAGNOSTIC enabled by default?
> 
> Unless there's a better reason to have _DIAGNOSTIC there, I'm going to 
> get rid of it.

DIAGNOSTIC is so you can compile a DIAGNOSTIC version of libc to help
you find bugs.

Please do not remove it.

Perry