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 C09E43858C52; Tue, 23 May 2023 13:40:28 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C09E43858C52
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1684849228;
	bh=Pt6IPbsuN/P2a8BP6VQ7xzN3DQdNWcNMHf1aLo67SLU=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=x3BNBuUUdX5cnAxpiP8p5mLpbM/ehj5ynVtqngGLOjQHdjmzQZgn6159/2EdZqmMN
	 iIlD+giXkCRfYu6MajRW1vEImQ1OvJLNBTHafOyOXoofiQ1tHYMuFGailqUN881DW4
	 KddG67DqaEE5Bca53mgFQd+vbGiIQHe1zFzm6Zqw=
From: "simon-pfahler at gmx dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/109942] Function template declared extern is implicitly
 instantiated on -O optimization level when return type is auto
Date: Tue, 23 May 2023 13:40:28 +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: 12.2.0
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: simon-pfahler at gmx dot de
X-Bugzilla-Status: RESOLVED
X-Bugzilla-Resolution: WONTFIX
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: bug_status resolution
Message-ID: <bug-109942-4-vfyq5cnLFz@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-109942-4@http.gcc.gnu.org/bugzilla/>
References: <bug-109942-4@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=3D109942

Simon Pfahler <simon-pfahler at gmx dot de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #3 from Simon Pfahler <simon-pfahler at gmx dot de> ---
I see your point, and have realized that there is no way around explicitly
stating the return types. That was wishful thinking on my part.

Still, I feel like the behavior should be identical for any optimization le=
vel,
but this is more personal opinion and of little relevance for
standard-compliance.

Marked this issue as resolved, since even if it is a bug (as you said,
debatable), it certainly isn't a relevant one.=