#0  0x000055555de742c6 in normals_merge (bm=0x6190004b0f88, lnors_ed_arr=0x603000139ea8) at /home/dfelinto/src/blender/blender/source/blender/editors/mesh/editmesh_tools.c:8153
#1  0x000055555de7b099 in normals_split_merge (C=0x60c000000108, do_merge=true) at /home/dfelinto/src/blender/blender/source/blender/editors/mesh/editmesh_tools.c:8263
#2  0x000055555de7b172 in edbm_merge_normals_exec (C=0x60c000000108, UNUSED_op=0x60f000013788) at /home/dfelinto/src/blender/blender/source/blender/editors/mesh/editmesh_tools.c:8280
#3  0x000055555ca034d3 in wm_operator_invoke (C=0x60c000000108, ot=0x611000064e08, event=0x60c000001788, properties=0x0, reports=0x0, poll_only=false, use_last_properties=true)
    at /home/dfelinto/src/blender/blender/source/blender/windowmanager/intern/wm_event_system.c:1452
#4  0x000055555ca0496c in wm_operator_call_internal (C=0x60c000000108, ot=0x611000064e08, properties=0x0, reports=0x0, context=0, poll_only=false, event=0x60c000001788)
    at /home/dfelinto/src/blender/blender/source/blender/windowmanager/intern/wm_event_system.c:1687
#5  0x000055555ca04ac9 in WM_operator_name_call_ptr (C=0x60c000000108, ot=0x611000064e08, context=0, properties=0x0)
    at /home/dfelinto/src/blender/blender/source/blender/windowmanager/intern/wm_event_system.c:1701
#6  0x000055555d8507ee in operator_call_cb (C=0x60c000000108, UNUSED_arg1=0x0, arg2=0x611000064e08) at /home/dfelinto/src/blender/blender/source/blender/editors/interface/interface_templates.c:5760
#7  0x000055555d711e6e in ui_apply_but_funcs_after (C=0x60c000000108) at /home/dfelinto/src/blender/blender/source/blender/editors/interface/interface_handlers.c:823
#8  0x000055555d7701eb in ui_popup_handler (C=0x60c000000108, event=0x60c000077688, userdata=0x61200016eac8)
    at /home/dfelinto/src/blender/blender/source/blender/editors/interface/interface_handlers.c:10234
#9  0x000055555c9fbdee in wm_handler_ui_call (C=0x60c000000108, handler=0x60800008ac28, event=0x60c000077688, always_pass=0)
    at /home/dfelinto/src/blender/blender/source/blender/windowmanager/intern/wm_event_system.c:623
#10 0x000055555ca0c34b in wm_handlers_do_intern (C=0x60c000000108, event=0x60c000077688, handlers=0x613000090918)
    at /home/dfelinto/src/blender/blender/source/blender/windowmanager/intern/wm_event_system.c:2701
#11 0x000055555ca0e853 in wm_handlers_do (C=0x60c000000108, event=0x60c000077688, handlers=0x613000090918) at /home/dfelinto/src/blender/blender/source/blender/windowmanager/intern/wm_event_system.c:2947
#12 0x000055555ca12009 in wm_event_do_handlers (C=0x60c000000108) at /home/dfelinto/src/blender/blender/source/blender/windowmanager/intern/wm_event_system.c:3316
#13 0x000055555c9e84ac in WM_main (C=0x60c000000108) at /home/dfelinto/src/blender/blender/source/blender/windowmanager/intern/wm.c:417
#14 0x000055555b3c7c7e in main (argc=2, argv=0x7fffffffdcc8) at /home/dfelinto/src/blender/blender/source/creator/creator.c:500