bug#74744: Build failure: SEGV in temacs (with "Pure Lisp storage overflowed")

[Eli Zaretskii]

> Date: Mon, 9 Dec 2024 16:23:56 +0100
> Cc: 74744@debbugs.gnu.org
> From: Eric Marsden <eric.marsden@risk-engineering.org>
> 
> On 09/12/2024 16:03, Eli Zaretskii wrote:
> > And if you enlarge PURESIZE, does the segfault go away?
> >
> > Also, please try without --enable-link-time-optimization and without
> > the -flto=8 -ffat-lto-objects compiler options.
> 
> Thanks, inspired by Pip's suggestion I used
> 
>    ./configure --with-options
>    make FAST=true bootstrap
> 
> which worked, so I have not investigated further. I was not anticipating
> that the default make recipe might fail due to pre-existing object files.

Yes, pure space can overflow if loadup loads byte-compiled files.
This is a known subtlety that sometimes pops up.