From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id E4E2B3858C60; Tue, 22 Aug 2023 06:58:48 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E4E2B3858C60
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1692687528;
	bh=BTjhC8e/vjzXGhsEL60grKunx4Fcmgo8VaOQ6EvaFNo=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=C+GDpIaM66iZ3Tj0JA+leOXV5gvxWVT3MUyS1iPqq+w0utYYfgjJ4kB8+TbyPtzns
	 nEEVn9fjy0FgdDux/JcrnvTi5NJVK6Gda05G5KN38pDKl9ZFdutoMH8vAVbbP8KyOb
	 1UF8zTxZccX3h7DFWSMFwl5RPCa1NpkDv27vMTIg=
From: "fabio at cannizzo dot net" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/111097] mistifying bug triggered by trivial code change
Date: Tue, 22 Aug 2023 06:58:48 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: c++
X-Bugzilla-Version: 13.2.0
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: fabio at cannizzo dot net
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-111097-4-BRvRknkZZc@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-111097-4@http.gcc.gnu.org/bugzilla/>
References: <bug-111097-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111097

--- Comment #1 from Fabio Cannizzo <fabio at cannizzo dot net> ---
Changing the `#if 1` to `#if 0` is probably the easiest way to isolate the
debug. It causes only minimal changes to the generated assembler.

I forgot to mention, the code is compiled with the flags
-O3 -msse4.2 -std=3Dc++17=