Version-Release number of selected component:
gnome-shell-3.11.2-3.fc21

Additional info:
reporter:       libreport-2.1.9
backtrace_rating: 3
cmdline:        /usr/bin/gnome-shell
crash_function: js::Shape::finalize(js::FreeOp*)
executable:     /usr/bin/gnome-shell
kernel:         3.12.2-2.fc21.i686+PAE
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 js::Shape::finalize(js::FreeOp*) at /lib/libmozjs-17.0.so
 #1 js::gc::FinalizeArenas(js::FreeOp*, js::gc::ArenaHeader**, js::gc::ArenaList&, js::gc::AllocKind, js::SliceBudget&) at /lib/libmozjs-17.0.so
 #2 IncrementalCollectSlice(JSRuntime*, long long, js::gcreason::Reason, js::JSGCInvocationKind) at /lib/libmozjs-17.0.so
 #3 GCCycle(JSRuntime*, bool, long long, js::JSGCInvocationKind, js::gcreason::Reason) at /lib/libmozjs-17.0.so
 #4 Collect(JSRuntime*, bool, long long, js::JSGCInvocationKind, js::gcreason::Reason) at /lib/libmozjs-17.0.so
 #5 js_HandleExecutionInterrupt(JSContext*) at /lib/libmozjs-17.0.so
 #6 js::mjit::stubs::Interrupt(js::VMFrame&, unsigned char*) at /lib/libmozjs-17.0.so
 #7 throwpoline_exit at /lib/libmozjs-17.0.so
 #8 ??
 #9 ??