bug#31996: 27.0.50; [w32] while dumping: assertion failed: specpdl_ptr->kind == SPECPDL_UNWIND_PTR && specpdl_ptr->unwind_ptr.func == xfree

[Eli Zaretskii]

> From: Paul Eggert <eggert@cs.ucla.edu>
> Date: Thu, 28 Jun 2018 15:57:46 -0700
> Cc: 31996@debbugs.gnu.org
> 
> Noam Postavsky wrote:
> > Maybe that kind of trick deserves a code comment?
> 
> I thought about doing that, but it seemed like the maintenance cost of having 
> the comment there indefinitely wasn't worth the minor performance benefit (a 
> benefit that applies only to typical platforms and when optimization is 
> enabled, 
> facts that'd also probably need to be in the comment). For what it's worth, 
> this 
> stuff is now documented in the bug report....

But maybe a comment explaining why the order might matter in general
could be of more value, and require less maintenance.