Please describe the problem:
Evolution calendar day view crashes when menu pop up while editing.



Steps to reproduce:
1. Click somewhere on day view of calendar
2. Type a key (e.g. space key)to edit 
3. right click on the column.


Actual results:
crash

Expected results:


Does this happen every time?


Other information:

Backtrace 
(evolution-2.8:6830): calendar-gui-CRITICAL **: e_cal_model_copy_component_data:
assertion `comp_data != NULL' failed

Program received signal SIGSEGV, Segmentation fault.
0xb5e493e3 in e_cal_popup_target_new_select (eabp=0x87599a0, model=0x848f720,
events=0x87673d0) at e-cal-popup.c:572
572                     e_cal_component_set_icalcomponent (comp,
icalcomponent_new_clone (comp_data->icalcomp));
(gdb) bt

+ Trace 68104