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Date: Wed, 30 Dec 2009 18:42:00 -0000
From: "mjw at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: systemtap@sources.redhat.com
Message-ID: <20091230184207.11118.mjw@redhat.com>
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Subject: [Bug runtime/11118] New: CairoWidget.cxx doesn't compile with gcc 4.4.2 on 32bit
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The gcc on Fedora 12, i386, fails to compile CairoWidget.cxx:

g++ -DHAVE_CONFIG_H -I. -I/home/mark/src/systemtap/grapher -I.. 
-DPKGDATADIR='"/home/mark/install/systemtap/share/systemtap"' 
-I/usr/include/libglademm-2.4 -I/usr/lib/libglademm-2.4/include
-I/usr/include/gtkmm-2.4 -I/usr/lib/gtkmm-2.4/include
-I/usr/include/libglade-2.0 -I/usr/include/giomm-2.4
-I/usr/lib/giomm-2.4/include -I/usr/include/pangomm-1.4
-I/usr/lib/pangomm-1.4/include -I/usr/include/gtk-2.0
-I/usr/include/gtk-unix-print-2.0 -I/usr/include/atkmm-1.6
-I/usr/include/gdkmm-2.4 -I/usr/lib/gdkmm-2.4/include -I/usr/include/glibmm-2.4
-I/usr/lib/glibmm-2.4/include -I/usr/include/glib-2.0
-I/usr/lib/glib-2.0/include -I/usr/include/sigc++-2.0
-I/usr/lib/sigc++-2.0/include -I/usr/include/cairomm-1.0
-I/usr/include/pango-1.0 -I/usr/include/cairo -I/usr/include/pixman-1
-I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/lib/gtk-2.0/include
-I/usr/include/atk-1.0 -I/usr/include/libxml2 -O2 -Wall -Werror -g -Werror
-fstack-protector-all -D_FORTIFY_SOURCE=2 -MT stapgraph-CairoWidget.o -MD -MP
-MF .deps/stapgraph-CairoWidget.Tpo -c -o stapgraph-CairoWidget.o `test -f
'CairoWidget.cxx' || echo '/home/mark/src/systemtap/grapher/'`CairoWidget.cxx
cc1plus: warnings being treated as errors
/usr/lib/gcc/i686-redhat-linux/4.4.2/../../../../include/c++/4.4.2/bits/stl_algo.h:
In member function ‘virtual void
systemtap::CairoTextBox::draw(Cairo::RefPtr<Cairo::Context>)’:
/usr/lib/gcc/i686-redhat-linux/4.4.2/../../../../include/c++/4.4.2/bits/stl_algo.h:2178:
error: array subscript is above array bounds

gcc-4.4.2-20.fc12.i686

The error message looks somewhat obscure.
It compiles fine on x86_64.
It also compiles without -O2, or with -O3.
So this might be a gcc bug.

P.S. There should be a grapher component in systemtap bugzilla.

-- 
           Summary: CairoWidget.cxx doesn't compile with gcc 4.4.2 on 32bit
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: mjw at redhat dot com
                CC: timoore at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=11118

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