Qt Creator crashes on startup with Qt 4.8 built on release mode

#0  0x00007fffe655574a in disconnect (this=0x104b6c0)
    at ../../include/QtDeclarative/private/../../../../../../src/qt/qt-4.8/src/declarative/qml/qdeclarativenotifier_p.h:206
#1  unsubscribe (subIndex=1, this=0x11f52b0)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecompiledbindings.cpp:694
#2  subscribeId (subIndex=1, idIndex=1, p=0x11f4fe0, this=0x11f52b0)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecompiledbindings.cpp:701
#3  QDeclarativeCompiledBindingsPrivate::run (this=0x11f52b0, instrIndex=<optimized out>, context=0x11f4fe0, error=
    0x104b990, scope=0x11fca50, output=0x11fca50, storeFlags=...)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecompiledbindings.cpp:1180
#4  0x00007fffe6556a2f in QDeclarativeCompiledBindingsPrivate::run (this=0x11f52b0, binding=0x104b950, flags=...)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecompiledbindings.cpp:405
#5  0x00007fffe6556c03 in QDeclarativeCompiledBindingsPrivate::Binding::update (this=0x104b950, flags=...)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecompiledbindings.cpp:334
#6  0x00007fffe654f849 in setEnabled (flags=<optimized out>, this=<optimized out>, e=<optimized out>)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecompiledbindings.cpp:327
#7  QDeclarativeCompiledBindingsPrivate::Binding::setEnabled (this=<optimized out>, e=<optimized out>, 
    flags=<optimized out>) at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecompiledbindings.cpp:322
#8  0x00007fffe64ed196 in QDeclarativeComponentPrivate::complete (enginePriv=0x103ddd0, state=0x11e4438)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecomponent.cpp:948
#9  0x00007fffe64edb0f in completeCreate (this=<optimized out>)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecomponent.cpp:1035
#10 QDeclarativeComponentPrivate::completeCreate (this=<optimized out>)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecomponent.cpp:1031
#11 0x00007fffe6476abe in QDeclarativeLoaderPrivate::_q_sourceLoaded (this=0x11e2810)
    at /home/thiago/src/qt/qt-4.8/src/declarative/graphicsitems/qdeclarativeloader.cpp:418
#12 0x00007fffe64ed253 in QDeclarativeComponentPrivate::complete (enginePriv=0x103ddd0, state=0x107fa18)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecomponent.cpp:962
#13 0x00007fffe64edb0f in completeCreate (this=<optimized out>)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecomponent.cpp:1035
#14 QDeclarativeComponentPrivate::completeCreate (this=<optimized out>)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecomponent.cpp:1031
#15 0x00007fffe64a4cc5 in QDeclarativeVisualDataModel::item (this=0x1135cd0, index=0, viewId=..., complete=true)
    at /home/thiago/src/qt/qt-4.8/src/declarative/graphicsitems/qdeclarativevisualitemmodel.cpp:1067
#16 0x00007fffe64a5458 in QDeclarativeVisualDataModel::item (this=<optimized out>, index=0, complete=true)
    at /home/thiago/src/qt/qt-4.8/src/declarative/graphicsitems/qdeclarativevisualitemmodel.cpp:958
#17 0x00007fffe648c4dd in QDeclarativeRepeater::regenerate (this=0x107f5f0)
    at /home/thiago/src/qt/qt-4.8/src/declarative/graphicsitems/qdeclarativerepeater.cpp:368
#18 0x00007fffe64ed253 in QDeclarativeComponentPrivate::complete (enginePriv=0x103ddd0, state=0x106b698)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecomponent.cpp:962
#19 0x00007fffe64edb0f in completeCreate (this=<optimized out>)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecomponent.cpp:1035
#20 QDeclarativeComponentPrivate::completeCreate (this=<optimized out>)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecomponent.cpp:1031
#21 0x00007fffe64ed0bf in QDeclarativeComponent::create (this=0x106b360, context=<optimized out>)
    at /home/thiago/src/qt/qt-4.8/src/declarative/qml/qdeclarativecomponent.cpp:768
#22 0x00007fffe63be00f in QDeclarativeView::continueExecute (this=0x10285f0)
    at /home/thiago/src/qt/qt-4.8/src/declarative/util/qdeclarativeview.cpp:552
#23 0x00007fffdbeec13d in Welcome::Internal::WelcomeMode::initPlugins (this=0x1024260)
    at /home/thiago/src/qt/creator/src/plugins/welcome/welcomeplugin.cpp:246
#24 0x00007fffdbeec551 in Welcome::Internal::WelcomePlugin::extensionsInitialized (this=0x9ae200)
    at /home/thiago/src/qt/creator/src/plugins/welcome/welcomeplugin.cpp:347
#25 0x00007ffff7de5aca in ExtensionSystem::Internal::PluginSpecPrivate::initializeExtensions (this=0x79c5e0)
    at /home/thiago/src/qt/creator/src/libs/extensionsystem/pluginspec.cpp:993
#26 0x00007ffff7dde9a9 in ExtensionSystem::Internal::PluginManagerPrivate::loadPlugin (this=0x737a50, spec=0x733350, 
    destState=ExtensionSystem::PluginSpec::Running)
    at /home/thiago/src/qt/creator/src/libs/extensionsystem/pluginmanager.cpp:1007
#27 0x00007ffff7de1382 in ExtensionSystem::Internal::PluginManagerPrivate::loadPlugins (this=0x737a50)
    at /home/thiago/src/qt/creator/src/libs/extensionsystem/pluginmanager.cpp:899
#28 0x0000000000406fcc in main (argc=1, argv=<optimized out>) at /home/thiago/src/qt/creator/src/app/main.cpp:351