[PATCH] malloc: Remove dumped heap support

[Florian Weimer]

* Adhemerval Zanella Netto:

> On 16/09/25 16:14, Florian Weimer wrote:
>> * Adhemerval Zanella Netto:
>> 
>>> Right, but from Florian's comment the emacs configure checks for 
>>> Doug Lea malloc style will always return false.  And afaik the 
>>> heap dump support is an startup optimization, so not really
>>> required to run old emacs binaries.
>> 
>> No, it is required to run old Emacs binaries.  It is also quite
>> difficult to run old Emacs without dumping first.  The temacs binary is
>> not not fully-featured.  But this is rather old history by this point.
>> 
>> I still think if people want to run these old Emacs binaries, they can
>> build their own out-of-tree malloc with suitable heap rewriting.
>
> Right, but does current dumped heap support work with old Emacs binaries
> or does we need extra hacks to make it happen?

The heap rewriting is only part of libc_malloc_debug.so.0, so there is
already an extra step.

Thanks,
Florian