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 9343B3857011; Wed, 19 Jul 2023 22:43:11 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9343B3857011
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1689806591;
	bh=NPzkD7/AvOWnMAIfusYShbvw9gUCSDoKInDxOYRHuMI=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=gOxVS+5A6plVurUaApBlAmFXRQ1OtPtjSlhQljmNYVoGqcXULpNBEHyAm7vm3IKH5
	 tLFZdedt+kkdOBfYOc2pEQIxqOydDTo31DgNarLQ0zf+Pr1ZeM57WVPcWjnVeyPgKz
	 kL40hNQ89ZlLgWL/MSCgP11+hirHdwxADlaEZ9Fo=
From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/110077] [14 regression] libstdc++-abi/abi_check FAILs
 on Solaris
Date: Wed, 19 Jul 2023 22:43:11 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: libstdc++
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: ABI
X-Bugzilla-Severity: normal
X-Bugzilla-Who: cvs-commit at gcc dot gnu.org
X-Bugzilla-Status: REOPENED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P1
X-Bugzilla-Assigned-To: redi at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 14.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-110077-4-CmVPKIZdhW@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-110077-4@http.gcc.gnu.org/bugzilla/>
References: <bug-110077-4@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=3D110077

--- Comment #16 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jonathan Wakely <redi@gcc.gnu.org>:

https://gcc.gnu.org/g:0867d30a68de68f4c809757348447bef94ef1491

commit r14-2661-g0867d30a68de68f4c809757348447bef94ef1491
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Jul 19 21:15:17 2023 +0100

    libstdc++: Do not define inaccurate from_chars for _Float128 [PR110077]

    I think r14-1431-g7037e7b6e4ac41 was wrong to try to define the
    _Float128 overload unconditionally. Not all targets need it, so defining
    the lossy fallback using long double is not useful (and caused an ABI
    change on Solaris x86).

    Making the definition depend on USE_STRTOF128_FOR_FROM_CHARS again
    partially reverts the change for PR 109921, however that should still be
    fixed because the changes to make USE_STRTOF128_FOR_FROM_CHARS depend on
    USE_STRTOD_FOR_FROM_CHARS are not reverted.

    libstdc++-v3/ChangeLog:

            PR libstdc++/110077
            * src/c++17/floating_from_chars.cc (from_chars): Only define
            _Float128 overload when using __strfromf128.=