[Bug 637747] Re: dasher crashed with SIGSEGV in Dasher::CDasherModel::HandleOutput()

[Charlie Kravetz]

and a way to reproduce the issue:

1. start dasher from the terminal, using 
    dasher --appstyle=direct
2. Instead of learning to use dasher slowly, move the cursor all the way to the right and allow it type
3. here is the stacktrace from the failure:

#0  0x080973ae in Dasher::CDasherModel::RecursiveOutput(Dasher::CDasherNode*, std::vector<Dasher::SymbolProb, std::allocator<Dasher::SymbolProb> >*) ()
#1  0x08098487 in Dasher::CDasherModel::OneStepTowards(long long, long long, unsigned long, std::vector<Dasher::SymbolProb, std::allocator<Dasher::SymbolProb> >*, int*) ()
#2  0x0809fdc1 in Dasher::CDefaultFilter::Timer(int, Dasher::CDasherView*, Dasher::CDasherModel*, std::vector<Dasher::SymbolProb, std::allocator<Dasher::SymbolProb> >*, int*, Dasher::CExpansionPolicy**) ()
#3  0x08092bd3 in Dasher::CDasherInterfaceBase::NewFrame(unsigned long, bool)
    ()
#4  0x0808c149 in CDasherControl::TimerEvent() ()
#5  0x0809009d in timer_callback(void*) ()
#6  0x009bffcc in ?? () from /lib/libglib-2.0.so.0
#7  0x009bf855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#8  0x009c3668 in ?? () from /lib/libglib-2.0.so.0
#9  0x009c3ba7 in g_main_loop_run () from /lib/libglib-2.0.so.0
#10 0x00e611d9 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#11 0x08078f96 in main ()

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https://bugs.launchpad.net/bugs/637747

Title:
  dasher crashed with SIGSEGV in Dasher::CDasherModel::HandleOutput()