Subject: Re: bug#70914: 29.3; Crashes often on Windows

From: Eli Zaretskii <[email-masked]>
Date: Wed, 22 May 2024 17:07:47 +0300

> From: Simen Endsjø <[email-masked]>
> Date: Wed, 22 May 2024 15:35:41 +0200
> Cc: [email-masked], [email-masked], [email-masked]
> 
> gcc.exe (Rev3, Built by MSYS2 project) 14.1.0

I think you need to disable -foptimize-sibling-calls.  So configure with

  CFLAGS='-O2 -fno-optimize-sibling-calls -gdwarf-4 -g3' ./configure...