Subject: 26.0.90; crashes at build time on OpenBSD/arm

From: Paul Eggert <[email-masked]>
Date: Thu, 26 Oct 2017 17:35:57 -0700

Thanks for reporting that. I installed the attached patch into the 
emacs-26 branch; please give it a try.

>From 015f0bb2d85475bb952d6287d09b45932d7d215b Mon Sep 17 00:00:00 2001
From: Paul Eggert <[email-masked]>
Date: Thu, 26 Oct 2017 17:31:41 -0700
Subject: [PATCH] Port thread.c to OpenBSD ARM

Problem reported by Jeremie Courreges-Anglas (Bug#29005).
* src/thread.c (main_thread): Align to GCALIGNMENT.
---
 src/thread.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/thread.c b/src/thread.c
index c03cdda0fa..6f12d796ff 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -26,7 +26,7 @@ along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
 #include "coding.h"
 #include "syssignal.h"
 
-static struct thread_state main_thread;
+static struct thread_state alignas (GCALIGNMENT) main_thread;
 
 struct thread_state *current_thread = &main_thread;
 
-- 
2.14.1