From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark H Weaver <mhw@netris.org>
Subject: bug#31708: 'gcc-strmov-store-file-names.patch' causes GCC segfaults
Date: Tue, 05 Jun 2018 18:24:43 -0400
Message-ID: <87602w3m8k.fsf@netris.org>
References: <87k1reuc4r.fsf@gnu.org> <87sh623v4a.fsf@netris.org>
Mime-Version: 1.0
Content-Type: text/plain
Return-path: <bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org>
Received: from eggs.gnu.org ([2001:4830:134:3::10]:53957)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <Debian-debbugs@debbugs.gnu.org>) id 1fQKPz-0007Zv-Ac
	for bug-guix@gnu.org; Tue, 05 Jun 2018 18:27:08 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <Debian-debbugs@debbugs.gnu.org>) id 1fQKPu-0000jZ-8J
	for bug-guix@gnu.org; Tue, 05 Jun 2018 18:27:07 -0400
Received: from debbugs.gnu.org ([208.118.235.43]:55892)
	by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16)
	(Exim 4.71) (envelope-from <Debian-debbugs@debbugs.gnu.org>)
	id 1fQKPu-0000jT-4T
	for bug-guix@gnu.org; Tue, 05 Jun 2018 18:27:02 -0400
Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2)
	(envelope-from <Debian-debbugs@debbugs.gnu.org>) id 1fQKPt-0007uB-MS
	for bug-guix@gnu.org; Tue, 05 Jun 2018 18:27:01 -0400
Sender: "Debbugs-submit" <debbugs-submit-bounces@debbugs.gnu.org>
Resent-Message-ID: <handler.31708.B31708.152823756830329@debbugs.gnu.org>
In-Reply-To: <87sh623v4a.fsf@netris.org> (Mark H. Weaver's message of "Mon, 04
	Jun 2018 21:00:37 -0400")
List-Id: Bug reports for GNU Guix <bug-guix.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/bug-guix>,
	<mailto:bug-guix-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/bug-guix/>
List-Post: <mailto:bug-guix@gnu.org>
List-Help: <mailto:bug-guix-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/bug-guix>,
	<mailto:bug-guix-request@gnu.org?subject=subscribe>
Errors-To: bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org
Sender: "bug-Guix" <bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org>
To: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Cc: 31708@debbugs.gnu.org

Mark H Weaver <mhw@netris.org> writes:

> Here's the declaration of QChar::byteOrderMark from qtools/qstring.h,
> included in the doxygen tarball:
>
> class Q_EXPORT Q_PACKED QChar {
> public:
>     QChar();
>     QChar( char c );
>     QChar( uchar c );
>     QChar( uchar c, uchar r );
>     QChar( const QChar& c );
>     QChar( ushort rc );
>     QChar( short rc );
>     QChar( uint rc );
>     QChar( int rc );
>
>     QT_STATIC_CONST QChar null;            // 0000
>     QT_STATIC_CONST QChar replacement;     // FFFD
>     QT_STATIC_CONST QChar byteOrderMark;     // FEFF
>     QT_STATIC_CONST QChar byteOrderSwapped;     // FFFE
>     QT_STATIC_CONST QChar nbsp;            // 00A0
>
> and here's its definition, from qtools/qstring.cpp line 12179:
>
>   QT_STATIC_CONST_IMPL QChar QChar::byteOrderMark((ushort)0xfeff);
>
> Any suggestions?  I've managed to avoid working with C++ so far in this
> millenium, so I'm a bit rusty.

If some of these cases are difficult to work around, one option would be
to add a new 'gcc-final/fixed' package or similar, with this bug fixed,
and we could then add it as a 'native-input' to selected packages where
it's needed, e.g. doxygen on armhf.

       Mark