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From: Eli Zaretskii <eliz@gnu.org>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: npostavs@gmail.com, 31996@debbugs.gnu.org
Subject: bug#31996: 27.0.50; [w32] while dumping: assertion failed: specpdl_ptr->kind == SPECPDL_UNWIND_PTR && specpdl_ptr->unwind_ptr.func == xfree
Date: Fri, 29 Jun 2018 09:13:46 +0300	[thread overview]
Message-ID: <83sh56nmqt.fsf@gnu.org> (raw)
In-Reply-To: <07595dcd-46c9-53b4-fd5d-e47a2e6e8e8d@cs.ucla.edu> (message from Paul Eggert on Thu, 28 Jun 2018 15:57:46 -0700)

> 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.





  reply	other threads:[~2018-06-29  6:13 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-28 19:10 bug#31996: 27.0.50; [w32] while dumping: assertion failed: specpdl_ptr->kind == SPECPDL_UNWIND_PTR && specpdl_ptr->unwind_ptr.func == xfree Noam Postavsky
2018-06-28 19:18 ` Eli Zaretskii
2018-06-28 19:20   ` Noam Postavsky
2018-06-28 20:29     ` Andy Moreton
2018-06-28 20:55 ` Paul Eggert
2018-06-28 21:05   ` Noam Postavsky
2018-06-28 22:57     ` Paul Eggert
2018-06-29  6:13       ` Eli Zaretskii [this message]
2018-06-29  7:30         ` Paul Eggert
2018-06-29  8:52           ` Eli Zaretskii
2018-06-29 12:30       ` Noam Postavsky
2018-06-29 18:18         ` Paul Eggert

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