kdevelop c++ crash

[Aleix]

I am getting this crash today, .kdevduchain was nuked so it might be a real
problem (even if it is strange that it doesn't crash on tests :S).

It is failing for kdevelop and for duchaintokross so looks like something
about the c++ support

Thanks,
Aleix

BT:

0xb744ffd9 in QUrl::toLocalFile (this=0x9e087a4) at io/qurl.cpp:5667
5667    io/qurl.cpp: No such file or directory.
        in io/qurl.cpp
(gdb) where
#0  0xb744ffd9 in QUrl::toLocalFile (this=0x9e087a4) at io/qurl.cpp:5667
#1  0xb7dc0b39 in KUrl::toLocalFile (this=0x9e087a4,
trailing=KUrl::LeaveTrailingSlash) at
/home/kde-devel/kdelibs/kdecore/io/kurl.cpp:843
#2  0xb7cb0c71 in KDevelop::Project::urlRelativeToProject (this=0xbf817ecc,
relativeUrl=@0x9e087a4) at
/home/kde-devel/kdevplatform/shell/project.cpp:463
#3  0xb12d6c40 in CppLanguageSupport::projectOpened (this=0x963d498,
project=0x91c82a8) at
/home/kde-devel/kdevelop/languages/cpp/cpplanguagesupport.cpp:464
#4  0xb12dd8a7 in CppLanguageSupport::qt_metacall (this=0x963d498,
_c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbf817fec)
    at
/home/kde-devel/build-kdevelop/languages/cpp/cpplanguagesupport.moc:132
#5  0xb74a8bd0 in QMetaObject::activate (sender=0x91d1e38,
from_signal_index=4, to_signal_index=4, argv=0xbf817fec) at
kernel/qobject.cpp:3031
#6  0xb74a9952 in QMetaObject::activate (sender=0x91d1e38, m=0xb7cee498,
local_signal_index=0, argv=0xbf817fec) at kernel/qobject.cpp:3101
#7  0xb7ce6734 in KDevelop::IProjectController::projectOpened
(this=0x91d1e38, _t1=0x91c82a8)
    at
/home/kde-devel/build-kdevplatform/interfaces/iprojectcontroller.moc:129
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