[PATCH] Revert __malloc_initialize_hook symbol poisoning

[Florian Weimer]

On 06/20/2016 11:00 AM, Andreas Schwab wrote:
> fweimer@redhat.com (Florian Weimer) writes:
>
>> It turns out the Emacs-internal malloc implementation uses
>> __malloc_* symbols.  If glibc poisons them in <stdc-pre.h>,
>> Emacs will no longer compile.
>
> Please install.  I don't think we should be in the business of poisoning
> identifiers, even if they are in the implementation name space.

It is the only way to remove a symbol from the API which is used via 
interposition, which is why I went down this route in this case.

I would have done this for the other malloc hooks, but it would still 
break Emacs compatibility, so I'm just going to remove them from the header.

Florian