MemorySanitizer: use-of-uninitialized-value

[42milez]

==507==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0x7547ff in std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Catch::IReporterFactory> >, std::_Select1st<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Catch::IReporterFactory> > >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Catch::IReporterFactory> > > >::_M_get_insert_unique_pos(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) /usr/bin/../lib/gcc/x86_64-linux-gnu/7.4.0/../../../../include/c++/7.4.0/bits/stl_tree.h:2035:7
    #1 0x754077 in std::pair<std::_Rb_tree_iterator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Catch::IReporterFactory> > >, bool> std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Catch::IReporterFactory> >, std::_Select1st<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Catch::IReporterFactory> > >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Catch::IReporterFactory> > > >::_M_emplace_unique<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::shared_ptr<Catch::IReporterFactory> const&>(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::shared_ptr<Catch::IReporterFactory> const&) /usr/bin/../lib/gcc/x86_64-linux-gnu/7.4.0/../../../../include/c++/7.4.0/bits/stl_tree.h:2356:19
    #2 0x594fcb in std::pair<std::_Rb_tree_iterator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Catch::IReporterFactory> > >, bool> std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::shared_ptr<Catch::IReporterFactory>, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Catch::IReporterFactory> > > >::emplace<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::shared_ptr<Catch::IReporterFactory> const&>(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::shared_ptr<Catch::IReporterFactory> const&) /usr/bin/../lib/gcc/x86_64-linux-gnu/7.4.0/../../../../include/c++/7.4.0/bits/stl_map.h:569:16
    #3 0x4ddae5 in Catch::ReporterRegistry::registerReporter(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::shared_ptr<Catch::IReporterFactory> const&) /root/.conan/data/Catch2/2.11.1/catchorg/stable/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/catch2/catch.hpp:12401:21
    #4 0x5787fa in Catch::(anonymous namespace)::RegistryHub::registerReporter(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::shared_ptr<Catch::IReporterFactory> const&) /root/.conan/data/Catch2/2.11.1/catchorg/stable/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/catch2/catch.hpp:12338:36
    #5 0x5b39e8 in Catch::ReporterRegistrar<Catch::ConsoleReporter>::ReporterRegistrar(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) /root/.conan/data/Catch2/2.11.1/catchorg/stable/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/catch2/catch.hpp:6001:37
    #6 0x42629c in __cxx_global_var_init.276 /root/.conan/data/Catch2/2.11.1/catchorg/stable/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/catch2/catch.hpp:16461:1
    #7 0x426757 in _GLOBAL__sub_I_main.cc /var/app/test/main.cc
    #8 0xad087c in __libc_csu_init (/var/app/cmake-build-test-msan/bin/all_tests+0xad087c)
    #9 0x7fbb8c188b27 in __libc_start_main /build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:266
    #10 0x4281b9 in _start (/var/app/cmake-build-test-msan/bin/all_tests+0x4281b9)

SUMMARY: MemorySanitizer: use-of-uninitialized-value /usr/bin/../lib/gcc/x86_64-linux-gnu/7.4.0/../../../../include/c++/7.4.0/bits/stl_tree.h:2035:7 in std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Catch::IReporterFactory> >, std::_Select1st<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Catch::IReporterFactory> > >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::shared_ptr<Catch::IReporterFactory> > > >::_M_get_insert_unique_pos(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)