How to reproduce :
Open Synfig,
Create some figure
Choose on vertex (on parameter list or by selecting a orange handle)
Right click and select convert / bone influence
Crash !
Console Output
code: GLib-GObject-CRITICAL : Object class gtkmm__CustomObject_N6studio15ValueBase_EntryE doesn’t implement property ‘editing-canceled’ from interface ‘GtkCellEditable’
actions/valuedescconvert.cpp:185 Action::ValueDescConvert::prepare() with value BLinePoint (-0,733333, 0,700000) type boneinfluence
actions/valuedescconvert.cpp:197 CONVERT boneinfluence: desc canvas = 9b2a300
actions/valuedescconvert.cpp:198 CONVERT boneinfluence: src_value_node canvas is 9b2a300
synfigstudio: …/Sources/Synfig/synfig/install/include/ETL/_handle.h :277 : T etl::handle::operator->() const [with T = synfig::ValueNode_Composite; etl::handle::pointer = synfig::ValueNode_Composite]: assert « obj » failed.
Abandon[/code]
Call Stack
Thread 1 (Thread 0xb5f82880 (LWP 19624)):
#0 0xb7fde424 in __kernel_vsyscall ()
#1 0xb63c982f in raise () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
#2 0xb63cccf3 in abort () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
#3 0xb63c2727 in ?? () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
#4 0xb63c27d7 in __assert_fail () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
#5 0x084a218d in etl::handle<synfig::ValueNode_Composite>::operator-> (this=0xbfffc5b0) at /home/haricot/Sources/Synfig/synfig/install/include/ETL/_handle.h:277
#6 0x086401df in studio::Duckmatic::add_to_ducks (this=0x8fbae14, value_desc=..., canvas_view=..., transform_stack=..., param_desc=0x93a5a40, multiple=0) at duckmatic.cpp:2413
#7 0x08638e18 in studio::Duckmatic::add_ducks_layers (this=0x8fbae14, canvas=..., selected_layer_set=..., canvas_view=..., transform_stack=...) at duckmatic.cpp:1588
#8 0x0860b256 in studio::CanvasView::rebuild_ducks (this=0x8df7bc8) at canvasview.cpp:3025
#9 0x08628c34 in sigc::bound_mem_functor0<void, studio::CanvasView>::operator() (this=0x93ecfd0) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
#10 0x08626248 in sigc::adaptor_functor<sigc::bound_mem_functor0<void, studio::CanvasView> >::operator() (this=0x93ecfcc) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
#11 0x0862826a in sigc::bind_return_functor<bool, sigc::bound_mem_functor0<void, studio::CanvasView> >::operator() (this=0x93ecfc8) at /usr/include/sigc++-2.0/sigc++/adaptors/bind_return.h:173
#12 0x086250c5 in sigc::internal::slot_call0<sigc::bind_return_functor<bool, sigc::bound_mem_functor0<void, studio::CanvasView> >, bool>::call_it (rep=0x93ecfb0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
#13 0xb6d0c0e4 in ?? () from /usr/lib/i386-linux-gnu/libglibmm-2.4.so.1
#14 0xb66e01d7 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#15 0xb66df483 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#16 0xb66df820 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#17 0xb66dfcfb in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#18 0xb6e70ad0 in gtk_main () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0
#19 0xb757f264 in Gtk::Main::run_impl() () from /usr/lib/libgtkmm-2.4.so.1
#20 0xb757fc9f in Gtk::Main::run() () from /usr/lib/libgtkmm-2.4.so.1
#21 0x083c2652 in main (argc=0, argv=0xbffff564) at main.cpp:108