Opening Carol_of_the_Bells.mscz via musescore connect makes musescore hangs

I use the latest musescore trunk (5153) on mageia 1 32 bits.
Opening Carol_of_the_Bells.mscz via musescore connect makes musescore hangs.
Here is the gdb log:

Program received signal SIGSEGV, Segmentation fault.
0x092599b5 in Dynamic::setSubtype (this=0xdc811b8, idx=1069543423)
at /home/collette/repositories/mscore/mscore/libmscore/dynamic.cpp:168
168 cursor->insertText(dynList[idx].tag);

The complete log:

#0 0x092599b5 in Dynamic::setSubtype (this=0xdc811b8, idx=1069543423)
at /home/collette/repositories/mscore/mscore/libmscore/dynamic.cpp:168
#1 0x09259cea in Dynamic::layout (this=0xdc811b8)
at /home/collette/repositories/mscore/mscore/libmscore/dynamic.cpp:251
#2 0x09291aa8 in Score::doLayout (this=0xd9f33a0)
at /home/collette/repositories/mscore/mscore/libmscore/layout.cpp:684
#3 0x087dc304 in MuseScore::readScore (this=0x9f25538, score=0xd9f33a0, name=...)
at /home/collette/repositories/mscore/mscore/mscore/file.cpp:1571
#4 0x0862f7c2 in MuseScore::networkFinished (this=0x9f25538, reply=0xd82b488)
at /home/collette/repositories/mscore/mscore/mscore/musescore.cpp:3606
#5 0x0851ad21 in MuseScore::qt_metacall (this=0x9f25538, _c=QMetaObject::InvokeMetaMethod, _id=52, _a=
0xbfffe118) at /home/collette/repositories/mscore/mscore/build/mscore/moc_musescore.cxx:418
#6 0x43b449fd in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) ()
from /usr/lib/libQtCore.so.4
#7 0x43b542ec in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) ()
from /usr/lib/libQtCore.so.4
#8 0x4562e8e5 in QNetworkAccessManager::finished(QNetworkReply*) () from /usr/lib/libQtNetwork.so.4
#9 0x4562eba7 in ?? () from /usr/lib/libQtNetwork.so.4
#10 0x4562fb77 in QNetworkAccessManager::qt_metacall(QMetaObject::Call, int, void**) ()
from /usr/lib/libQtNetwork.so.4
#11 0x43b449fd in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) ()
from /usr/lib/libQtCore.so.4
#12 0x43b542ec in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) ()
from /usr/lib/libQtCore.so.4
#13 0x456b89d5 in QNetworkReply::finished() () from /usr/lib/libQtNetwork.so.4
#14 0x45652dd7 in ?? () from /usr/lib/libQtNetwork.so.4
---Type to continue, or q to quit---
#15 0x456365be in ?? () from /usr/lib/libQtNetwork.so.4
#16 0x4563cb01 in ?? () from /usr/lib/libQtNetwork.so.4
#17 0x4563cec5 in ?? () from /usr/lib/libQtNetwork.so.4
#18 0x45650eb6 in ?? () from /usr/lib/libQtNetwork.so.4
#19 0x45650f0b in ?? () from /usr/lib/libQtNetwork.so.4
#20 0x4776dbc4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x47772ba7 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x43b3e1ae in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#23 0x43b41f4c in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
from /usr/lib/libQtCore.so.4
#24 0x43b4209c in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#25 0x43b6cf04 in ?? () from /usr/lib/libQtCore.so.4
#26 0x44d064d9 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#27 0x44d06ce0 in ?? () from /lib/libglib-2.0.so.0
#28 0x44d06f9a in g_main_context_iteration () from /lib/libglib-2.0.so.0
#29 0x43b6d08b in QEventDispatcherGlib::processEvents(QFlags) ()
from /usr/lib/libQtCore.so.4
#30 0x4782571a in ?? () from /usr/lib/libQtGui.so.4
#31 0x43b3d3bd in QEventLoop::processEvents(QFlags) ()
from /usr/lib/libQtCore.so.4
#32 0x43b3d639 in QEventLoop::exec(QFlags) () from /usr/lib/libQtCore.so.4
#33 0x43b42170 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#34 0x4776b944 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#35 0x08626d37 in main (argc=1, av=0xbfffee64)
at /home/collette/repositories/mscore/mscore/mscore/musescore.cpp:2306

YC