do-not-directly-run-imprudence-bin: ir.h:928: ir_call::ir_call(ir_function_signature*, exec_list*): Assertion `callee->return_type != __null' failed.

Program received signal SIGABRT, Aborted.
0x00007ffff138b775 in raise () from /lib/libc.so.6
(gdb) bt
#0  0x00007ffff138b775 in raise () from /lib/libc.so.6
#1  0x00007ffff138caff in abort () from /lib/libc.so.6
#2  0x00007ffff13846bd in __assert_fail () from /lib/libc.so.6
#3  0x00007fffea72a5fe in ir_call (this=0x7fffe7d9c560, mem_ctx=<value optimized out>, ht=0x7fffe7cb0330) at ir.h:928
#4  ir_call::clone (this=0x7fffe7d9c560, mem_ctx=<value optimized out>, ht=0x7fffe7cb0330) at ir_clone.cpp:158
#5  0x00007fffea729c69 in ir_assignment::clone (this=0x7fffe7d9c600, mem_ctx=0x7fffe7e4d800, ht=0x7fffe7cb0330)
    at ir_clone.cpp:253
#6  0x00007fffea67f20c in ir_call::generate_inline (this=<value optimized out>, next_ir=<value optimized out>)
    at opt_function_inlining.cpp:185
#7  0x00007fffea67f573 in ir_function_inlining_visitor::visit_enter (this=0x7fffffffbf50, ir=0x7fffe7caf620)
    at opt_function_inlining.cpp:313
#8  0x00007fffea733d1f in ir_assignment::accept (this=0x7fffe7caf620, v=0x7fffffffbf50) at ir_hv_accept.cpp:276
#9  0x00007fffea7337ed in visit_list_elements (v=0x7fffffffbf50, l=<value optimized out>) at ir_hv_accept.cpp:48
#10 0x00007fffea73396d in ir_function_signature::accept (this=0x7fffe7bee6e0, v=0x7fffffffbf50) at ir_hv_accept.cpp:120
#11 0x00007fffea7337ed in visit_list_elements (v=0x7fffffffbf50, l=<value optimized out>) at ir_hv_accept.cpp:48
#12 0x00007fffea7339dc in ir_function::accept (this=0x7fffe7bee640, v=0x7fffffffbf50) at ir_hv_accept.cpp:132
#13 0x00007fffea7337ed in visit_list_elements (v=0x7fffffffbf50, l=<value optimized out>) at ir_hv_accept.cpp:48
#14 0x00007fffea67eedb in do_function_inlining (instructions=0x7fffe7f5cac0) at opt_function_inlining.cpp:84
#15 0x00007fffea673f6d in do_common_optimization (ir=0x7fffe7f5cac0, linked=true, max_unroll_iterations=32)
    at glsl_parser_extras.cpp:714
#16 0x00007fffea73cb3b in link_shaders (ctx=0x3327a60, prog=0x7fffe7c93af0) at linker.cpp:1605
#17 0x00007fffea70b783 in _mesa_glsl_link_shader (ctx=0x3327a60, prog=0x7fffe7c93af0) at program/ir_to_mesa.cpp:3051
#18 0x00000000016e8769 in LLShaderMgr::linkProgramObject (this=0x7fffe48ca9f0, obj=23, suppress_errors=0)
    at /home/aidan/src/imprudence-new-backport/linden/indra/llrender/llshadermgr.cpp:447
#19 0x00000000016d528e in LLGLSLShader::link (this=0x24b7f00, suppress_errors=0)
    at /home/aidan/src/imprudence-new-backport/linden/indra/llrender/llglslshader.cpp:343
#20 0x00000000016d46bd in LLGLSLShader::mapAttributes (this=0x24b7f00, attributes=0x0)
    at /home/aidan/src/imprudence-new-backport/linden/indra/llrender/llglslshader.cpp:202
#21 0x00000000016d40f7 in LLGLSLShader::createShader (this=0x24b7f00, attributes=0x0, uniforms=0x7fffe48caac0)
    at /home/aidan/src/imprudence-new-backport/linden/indra/llrender/llglslshader.cpp:140
#22 0x00000000012d343e in LLViewerShaderMgr::loadShadersEnvironment (this=0x7fffe48ca9f0)
---Type <return> to continue, or q <return> to quit---
    at /home/aidan/src/imprudence-new-backport/linden/indra/newview/llviewershadermgr.cpp:619
#23 0x00000000012d171d in LLViewerShaderMgr::setShaders (this=0x7fffe48ca9f0)
    at /home/aidan/src/imprudence-new-backport/linden/indra/newview/llviewershadermgr.cpp:375
#24 0x0000000001175681 in handleSetShaderChanged (newvalue=...)
    at /home/aidan/src/imprudence-new-backport/linden/indra/newview/llviewercontrol.cpp:120
#25 0x0000000000a4193b in bool boost::_bi::list1<boost::arg<2> >::operator()<bool, bool (*)(LLSD const&), boost::_bi::list2<LLControlVariable*&, LLSD const&> >(boost::_bi::type<bool>, bool (*&)(LLSD const&), boost::_bi::list2<LLControlVariable*&, LLSD const&>&, long) ()
#26 0x0000000000a41426 in bool boost::_bi::bind_t<bool, bool (*)(LLSD const&), boost::_bi::list1<boost::arg<2> > >::operator()<LLControlVariable*, LLSD>(LLControlVariable*&, LLSD const&) ()
#27 0x0000000000a406a5 in boost::detail::function::void_function_obj_invoker2<boost::_bi::bind_t<bool, bool (*)(LLSD const&), boost::_bi::list1<boost::arg<2> > >, void, LLControlVariable*, LLSD const&>::invoke(boost::detail::function::function_buffer&, LLControlVariable*, LLSD const&) ()
#28 0x000000000131478a in boost::function2<void, LLControlVariable*, LLSD const&>::operator() (this=0x26f7e78, a0=0x28a7690, 
    a1=...) at /usr/include/boost-1_42/boost/function/function_template.hpp:1013
#29 0x00000000013146e3 in boost::signals2::detail::signal2_impl<void, LLControlVariable*, const LLSD&, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(LLControlVariable*, const LLSD&)>, boost::function<void(const boost::signals2::connection&, LLControlVariable*, const LLSD&)>, boost::signals2::mutex>::slot_invoker::m_invoke(const boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > &, const boost::signals2::detail::void_type *) const (this=0x7fffffffc8e0, connectionBody=...)
    at /usr/include/boost-1_42/boost/signals2/detail/signal_template.hpp:351
#30 0x0000000001314681 in boost::signals2::detail::signal2_impl<void, LLControlVariable*, const LLSD&, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(LLControlVariable*, const LLSD&)>, boost::function<void(const boost::signals2::connection&, LLControlVariable*, const LLSD&)>, boost::signals2::mutex>::slot_invoker::operator()(const boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > &) const (this=0x7fffffffc8e0, connectionBody=...)
    at /usr/include/boost-1_42/boost/signals2/detail/signal_template.hpp:340
#31 0x0000000001314417 in boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal2_impl<void, LLControlVariable*, const LLSD&, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(LLControlVariable*, c---Type <return> to continue, or q <return> to quit---
onst LLSD&)>, boost::function<void(const boost::signals2::connection&, LLControlVariable*, const LLSD&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> >::dereference(void) const (this=0x7fffffffc760)
    at /usr/include/boost-1_42/boost/signals2/detail/slot_call_iterator.hpp:82
#32 0x000000000131402a in boost::iterator_core_access::dereference<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal2_impl<void, LLControlVariable*, const LLSD&, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(LLControlVariable*, const LLSD&)>, boost::function<void(const boost::signals2::connection&, LLControlVariable*, const LLSD&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > >(const boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal2_impl<void, LLControlVariable*, const LLSD&, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(LLControlVariable*, const LLSD&)>, boost::function<void(const boost::signals2::connection&, LLControlVariable*, const LLSD&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > &) (f=...) at /usr/include/boost-1_42/boost/iterator/iterator_facade.hpp:516
#33 0x0000000001313d42 in boost::iterator_facade<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal2_impl<void, LLControlVariable*, const LLSD&, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(LLControlVariable*, const LLSD&)>, boost::function<void(const boost::signals2::connection&, LLControlVariable*, const LLSD&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> >, boost::signals2::detail::void_ty---Type <return> to continue, or q <return> to quit---
pe, boost::single_pass_traversal_tag, const boost::signals2::detail::void_type&, long int>::operator*(void) const (
    this=0x7fffffffc760) at /usr/include/boost-1_42/boost/iterator/iterator_facade.hpp:634
#34 0x0000000001313708 in boost::signals2::optional_last_value<void>::operator()<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal2_impl<void, LLControlVariable*, const LLSD&, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(LLControlVariable*, const LLSD&)>, boost::function<void(const boost::signals2::connection&, LLControlVariable*, const LLSD&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > >(boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal2_impl<void, LLControlVariable*, const LLSD&, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(LLControlVariable*, const LLSD&)>, boost::function<void(const boost::signals2::connection&, LLControlVariable*, const LLSD&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> >, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal2_impl<void, LLControlVariable*, const LLSD&, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(LLControlVariable*, const LLSD&)>, boost::function<void(const boost::signals2::connection&, LLControlVariable*, const LLSD&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> >) const (this=0x28a77d0, 
    first=..., last=...) at /usr/include/boost-1_42/boost/signals2/optional_last_value.hpp:55
#35 0x0000000001312dc3 in boost::signals2::detail::combiner_invoker<void>::operator()<boost::signals2::optional_last_value<void>, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal2_impl<void, LLControlVariable*, const LLSD&, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(LLControlVariable*, const LLSD&)>, boost::function<void(const boost::signals2::connection&, LLControlVariable*, const LLSD&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boos---Type <return> to continue, or q <return> to quit---
t::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > >(boost::signals2::optional_last_value<void> &, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal2_impl<void, LLControlVariable*, const LLSD&, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(LLControlVariable*, const LLSD&)>, boost::function<void(const boost::signals2::connection&, LLControlVariable*, const LLSD&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> >, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::signal2_impl<void, LLControlVariable*, const LLSD&, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(LLControlVariable*, const LLSD&)>, boost::function<void(const boost::signals2::connection&, LLControlVariable*, const LLSD&)>, boost::signals2::mutex>::slot_invoker, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot2<void, LLControlVariable*, const LLSD&, boost::function<void(LLControlVariable*, const LLSD&)> >, boost::signals2::mutex> >) const (this=0x7fffffffc9af, combiner=..., first=..., last=...)
    at /usr/include/boost-1_42/boost/signals2/detail/result_type_wrapper.hpp:64
#36 0x0000000001311c76 in boost::signals2::detail::signal2_impl<void, LLControlVariable*, const LLSD&, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(LLControlVariable*, const LLSD&)>, boost::function<void(const boost::signals2::connection&, LLControlVariable*, const LLSD&)>, boost::signals2::mutex>::operator()(LLControlVariable *, const LLSD &) (this=0x28a7710, arg1=0x28a7690, arg2=...) at /usr/include/boost-1_42/boost/signals2/detail/signal_template.hpp:246
#37 0x00000000013112a9 in boost::signals2::signal2<void, LLControlVariable*, const LLSD&, boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void(LLControlVariable*, const LLSD&)>, boost::function<void(const boost::signals2::connection&, LLControlVariable*, const LLSD&)>, boost::signals2::mutex>::operator()(LLControlVariable *, const LLSD &) (
    this=0x28a76d0, arg1=0x28a7690, arg2=...) at /usr/include/boost-1_42/boost/signals2/detail/signal_template.hpp:675
#38 0x00000000018c1540 in LLControlVariable::setValue (this=0x28a7690, new_value=..., saved_value=true)
    at /home/aidan/src/imprudence-new-backport/linden/indra/llxml/llcontrol.cpp:229
#39 0x00000000018c3341 in LLControlGroup::setUntypedValue (this=0x24a64a0, name=..., val=...)
---Type <return> to continue, or q <return> to quit---
    at /home/aidan/src/imprudence-new-backport/linden/indra/llxml/llcontrol.cpp:588
#40 0x0000000001864196 in LLView::setControlValue (this=0x716de30, value=...)
    at /home/aidan/src/imprudence-new-backport/linden/indra/llui/llview.cpp:2787
#41 0x0000000001714d27 in LLButton::setToggleState (this=0x716de30, b=1)
    at /home/aidan/src/imprudence-new-backport/linden/indra/llui/llbutton.cpp:751
#42 0x0000000001714dd6 in LLButton::toggleState (this=0x716de30)
    at /home/aidan/src/imprudence-new-backport/linden/indra/llui/llbutton.cpp:768
#43 0x0000000001713379 in LLButton::handleMouseUp (this=0x716de30, x=12, y=3, mask=0)
    at /home/aidan/src/imprudence-new-backport/linden/indra/llui/llbutton.cpp:366
#44 0x00000000018b14cf in LLMouseHandler::handleAnyMouseClick(S32, S32, MASK, LLMouseHandler::<anonymous enum>, BOOL) (
    this=0x716de30, x=12, y=3, mask=0, clicktype=LLMouseHandler::CLICK_LEFT, down=0)
    at /home/aidan/src/imprudence-new-backport/linden/indra/llwindow/llmousehandler.cpp:52
#45 0x00000000012f54a9 in LLViewerWindow::handleAnyMouseClick(LLWindow *, LLCoordGL, MASK, LLMouseHandler::<anonymous enum>, BOOL) (this=0x29e7460, window=0x2bbbac0, pos=..., mask=0, clicktype=LLMouseHandler::CLICK_LEFT, down=0)
    at /home/aidan/src/imprudence-new-backport/linden/indra/newview/llviewerwindow.cpp:694
#46 0x00000000012f5c7e in LLViewerWindow::handleMouseUp (this=0x29e7460, window=0x2bbbac0, pos=..., mask=0)
    at /home/aidan/src/imprudence-new-backport/linden/indra/newview/llviewerwindow.cpp:791
#47 0x00000000018b8770 in LLWindowSDL::gatherInput (this=0x2bbbac0)
    at /home/aidan/src/imprudence-new-backport/linden/indra/llwindow/llwindowsdl.cpp:1746
#48 0x0000000000a1e245 in LLAppViewer::mainLoop (this=0x26581d0)
    at /home/aidan/src/imprudence-new-backport/linden/indra/newview/llappviewer.cpp:968
#49 0x00000000014edd82 in main (argc=1, argv=0x7fffffffd4e8)
    at /home/aidan/src/imprudence-new-backport/linden/indra/newview/llappviewerlinux.cpp:118