qt4-designer segfaults in QMetaObject::indexOfSignal

[Unkraut]

Issuing the command "designer" to launch the Qt4 designer immedately leads to a segmentation fault ("Program terminated with signal 11, Segmentation fault"). The application does not even start.

Ubuntu version: 13.10
qt4-designer version: 4:4.8.4+dfsg-0ubuntu18

To reproduce the bug issue the following on the command line:

sudo apt-get install qt4-designer
designer

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: qt4-designer 4:4.8.4+dfsg-0ubuntu18
ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
Uname: Linux 3.11.0-12-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.1
Architecture: amd64
Date: Thu Nov 7 21:58:45 2013
InstallationDate: Installed on 2013-08-12 (87 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
SourcePackage: qt4-x11
UpgradeStatus: Upgraded to saucy on 2013-10-18 (20 days ago)