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From: "malat at debian dot org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/106322] tree-vectorize: Wrong code at O2
 level (-fno-tree-vectorize is working)
Date: Tue, 09 Aug 2022 13:03:19 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106322

--- Comment #23 from Mathieu Malaterre <malat at debian dot org> ---
Nevermind; I can reproduce the issue with a sid/amd64 chroot:

stable64 % schroot -c sid64
sid64 % g++ --version
g++ (Debian 12.1.0-7) 12.1.0
Copyright (C) 2022 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


sid64 %  g++ *.cc -O2 -m32 && ./a.out
zsh: IOT instruction  ./a.out

I'll report against Debian bugtracker for now.=