Comment 8 for bug 1576500

Here's the backtrace for running krunner from the command line:
(gdb) run
Starting program: /usr/bin/krunner
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffe3fa0700 (LWP 13738)]
[New Thread 0x7fffe08fd700 (LWP 13739)]
Icon theme "oxygen" not found.
Icon theme "oxygen" not found.
Error: standard icon theme "oxygen" not found!
[New Thread 0x7fffd8717700 (LWP 13740)]
File name empty!

Thread 1 "krunner" received signal SIGSEGV, Segmentation fault.
0x00007ffff6d81270 in QQmlComponent::status() const () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
(gdb) bt
#0 0x00007ffff6d81270 in QQmlComponent::status() const () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#1 0x00007ffff75542fd in KDeclarative::QmlObject::completeInitialization(QHash<QString, QVariant> const&) () from /usr/lib/x86_64-linux-gnu/libKF5Declarative.so.5
#2 0x0000000000408fb6 in View::View (this=0x7fffffffdff0) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/krunner/view.cpp:94
#3 0x00000000004075e9 in main (argc=1, argv=<optimized out>) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/krunner/main.cpp:75