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

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Package: emacs;

Reported by: Noam Postavsky <npostavs <at> gmail.com>

Date: Thu, 28 Jun 2018 19:11:01 UTC

Severity: normal

Found in version 27.0.50

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Noam Postavsky <npostavs <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.0.50; [w32] while dumping: assertion failed: specpdl_ptr->kind ==
 SPECPDL_UNWIND_PTR && specpdl_ptr->unwind_ptr.func == xfree
Date: Thu, 28 Jun 2018 15:10:30 -0400

[Message part 1 (text/plain, inline)]
X-Debbugs-CC: Paul Eggert <eggert <at> cs.ucla.edu>


gdb --args ./temacs --batch  --load loadup bootstrap

(gdb) p specpdl_ptr->kind
$1 = SPECPDL_UNWIND_ARRAY
(gdb) p specpdl_ptr->unwind_ptr.func
$2 = (void (*)(void *)) 0x53898
(gdb) p specpdl_ptr->unwind_array.func
$3 = (void (*)(Lisp_Object)) 0x53898

I guess it's related to the #31750 changes. The problem doesn't seem
especially platform-specific, but I've haven't seen this on my
GNU/Linux box.
The attached patch fixes it, though I'm not sure if it's
entirely correct.

[unwind-array.diff (application/octet-stream, attachment)]
This bug report was last modified 6 years and 325 days ago.

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