Debug igloo-test with gdb

igloo-test_gdb.txt

gdb bin/igloo-tests 
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Reading symbols from bin/igloo-tests...(no debugging symbols found)...done.
(gdb) run
Starting program: /home/umireon/igloo/build/bin/igloo-tests 

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7b4ac4a in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
(gdb) bt
#0  0x00007ffff7b4ac4a in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#1  0x0000000000619b5f in std::_Rb_tree_iterator<std::pair<std::string const, igloo::ContextRegistry<igloo_example::ANewlyStartedGame>::SpecInfo> >::operator--()
    ()
#2  0x0000000000619656 in std::_Rb_tree<std::string, std::pair<std::string const, igloo::ContextRegistry<igloo_example::ANewlyStartedGame>::SpecInfo>, std::_Select1st<std::pair<std::string const, igloo::ContextRegistry<igloo_example::ANewlyStartedGame>::SpecInfo> >, std::less<std::string>, std::allocator<std::pair<std::string const, igloo::ContextRegistry<igloo_example::ANewlyStartedGame>::SpecInfo> > >::_M_get_insert_unique_pos(std::string const&) ()
#3  0x00000000006194af in std::_Rb_tree<std::string, std::pair<std::string const, igloo::ContextRegistry<igloo_example::ANewlyStartedGame>::SpecInfo>, std::_Select1st<std::pair<std::string const, igloo::ContextRegistry<igloo_example::ANewlyStartedGame>::SpecInfo> >, std::less<std::string>, std::allocator<std::pair<std::string const, igloo::ContextRegistry<igloo_example::ANewlyStartedGame>::SpecInfo> > >::_M_insert_unique(std::pair<std::string const, igloo::ContextRegistry<igloo_example::ANewlyStartedGame>::SpecInfo> const&) ()
#4  0x0000000000619379 in std::map<std::string, igloo::ContextRegistry<igloo_example::ANewlyStartedGame>::SpecInfo, std::less<std::string>, std::allocator<std::pair<std::string const, igloo::ContextRegistry<igloo_example::ANewlyStartedGame>::SpecInfo> > >::insert(std::pair<std::string const, igloo::ContextRegistry<igloo_example::ANewlyStartedGame>::SpecInfo> const&) ()
#5  0x0000000000619267 in igloo::ContextRegistry<igloo_example::ANewlyStartedGame>::RegisterSpec(std::string const&, void (igloo_example::ANewlyStartedGame::*)(), bool, bool) ()
#6  0x000000000061084a in igloo_example::ANewlyStartedGame::SpecRegistrar_ShouldHaveAnEmptyBoard::SpecRegistrar_ShouldHaveAnEmptyBoard() ()
#7  0x000000000060d8d3 in igloo_example::ANewlyStartedGame::ANewlyStartedGame() ()
#8  0x000000000060d888 in igloo::ContextRunner<void, igloo_example::ANewlyStartedGame>::InstantiateContext() const ()
#9  0x000000000060d762 in void igloo::TestRunner::RegisterContext<igloo::ContextRunner<void, igloo_example::ANewlyStartedGame> >(std::string const&, char const*, int) ()
#10 0x000000000060d647 in igloo_example::ContextRegistrar_ANewlyStartedGame::ContextRegistrar_ANewlyStartedGame() ()
#11 0x00000000005ffa41 in __cxx_global_var_init4 ()
#12 0x00000000005ffa68 in global constructors keyed to a ()
#13 0x00000000007335bd in __libc_csu_init ()
#14 0x00007ffff7215e55 in __libc_start_main (main=0x6acbe0 <main>, argc=1, argv=0x7fffffffe638, init=0x733570 <__libc_csu_init>, fini=<optimized out>, 
    rtld_fini=<optimized out>, stack_end=0x7fffffffe628) at libc-start.c:246
#15 0x00000000006004e9 in _start ()
(gdb)