GNU bug report logs - #31708
'gcc-strmov-store-file-names.patch' causes GCC segfaults

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From: Mark H Weaver <mhw <at> netris.org>
To: ludo <at> gnu.org (Ludovic Courtès)
Cc: 31708 <at> debbugs.gnu.org
Subject: bug#31708: 'gcc-strmov-store-file-names.patch' causes GCC segfaults
Date: Tue, 05 Jun 2018 18:24:43 -0400

Mark H Weaver <mhw <at> 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

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