New comment by rien on void-packages repository

https://github.com/void-linux/void-packages/issues/24873#issuecomment-691561662

Comment:
Passing any other value (a valid path, en empty string, whatever) now causes a segmentation fault in the same function, but with the following backtrace:

```
#0  0x0000555555f9644a in std::deque<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >::_M_destroy_data_aux (this=0x7fffffffe020, __first=<error reading variable: Cannot access memory at address 0x706d742f>, __last=<error reading variable: Cannot access memory at address 0x5>) at /usr/include/c++/9.3/bits/deque.tcc:854
#1  0x00007ffff7b17e9d in std::deque<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >::_M_destroy_data (__last=..., __first=..., this=0x7fffffffe020) at /usr/include/c++/9.2/bits/stl_deque.h:2110
#2  std::deque<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >::~deque (this=0x7fffffffe020, __in_chrg=<optimized out>) at /usr/include/c++/9.2/bits/stl_deque.h:1069
#3  osgDB::Registry::initDataFilePathList (this=0x555556d97cc0) at /builddir/OpenSceneGraph-OpenSceneGraph-3.4.1/src/osgDB/Registry.cpp:506
#4  0x00007ffff7b18403 in osgDB::Registry::initFilePathLists (this=0x555556d97cc0) at /builddir/OpenSceneGraph-OpenSceneGraph-3.4.1/include/osgDB/Registry:388
#5  osgDB::Registry::Registry (this=0x555556d97cc0) at /builddir/OpenSceneGraph-OpenSceneGraph-3.4.1/src/osgDB/Registry.cpp:262
#6  0x00007ffff7b19cdd in osgDB::Registry::instance (erase=erase@entry=false) at /builddir/OpenSceneGraph-OpenSceneGraph-3.4.1/src/osgDB/Registry.cpp:209
#7  0x00007ffff7a89009 in osgDB::RegisterCompressorProxy::RegisterCompressorProxy (this=0x7ffff7b6b770 <compressor_proxy_NullCompressor>, name=..., compressor=<optimized out>) at /builddir/OpenSceneGraph-OpenSceneGraph-3.4.1/src/osgDB/ObjectWrapper.cpp:754
#8  0x00007ffff7a83c81 in __static_initialization_and_destruction_0 (__initialize_p=1, __priority=65535) at /usr/include/c++/9.2/ext/new_allocator.h:80
#9  _GLOBAL__sub_I_Compressors.cpp(void) () at /builddir/OpenSceneGraph-OpenSceneGraph-3.4.1/src/osgDB/Compressors.cpp:174
#10 0x00007ffff7fe31ea in call_init (l=<optimized out>, argc=argc@entry=1, argv=argv@entry=0x7fffffffe2b8, env=env@entry=0x7fffffffe2c8) at dl-init.c:72
#11 0x00007ffff7fe32e9 in call_init (env=0x7fffffffe2c8, argv=0x7fffffffe2b8, argc=1, l=<optimized out>) at dl-init.c:30
#12 _dl_init (main_map=0x7ffff7ffe130, argc=1, argv=0x7fffffffe2b8, env=0x7fffffffe2c8) at dl-init.c:119
#13 0x00007ffff7fd50ca in _dl_start_user () from /lib/ld-linux-x86-64.so.2
#14 0x0000000000000001 in ?? ()
#15 0x00007fffffffe61f in ?? ()
#16 0x0000000000000000 in ?? ()
```

I'm almost suspecting a fault in the c++ stdlib, but then there would be other programs having this issue.