Search hints: Works with -std=c++11 or -std=c++14, but breaks with -std=c++17 or -std=c++1z when lto in use.
Common example search hints: Boost Program Options boost/lib/libboost_program_options.a(value_semantic.o): In function `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const& boost::program_options::validators::get_single_string<char>(std::vector<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> > > > const&, bool)': value_semantic.cpp:(.text._ZN5boost15program_options10validators17get_single_stringIcEERKNSt7__cxx1112basic_stringIT_St11char_traitsIS5_ESaIS5_EEERKSt6vectorIS9_SaIS9_EEb[_ZN5boost15program_options10validators17get_single_stringIcEERKNSt7__cxx1112basic_stringIT_St11char_traitsIS5_ESaIS5_EEERKSt6vectorIS9_SaIS9_EEb]+0xbf): undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' boost/lib/libboost_program_options.a(value_semantic.o): In function `_GLOBAL__sub_I__ZNK5boost15program_options29value_semantic_codecvt_helperIcE5parseERNS_3anyERKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaISB_EEb': value_semantic.cpp:(.text.startup+0x1a): undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' boost/lib/libboost_system.a(error_code.o): In function `boost::system::(anonymous namespace)::generic_error_category::message(int) const': error_code.cpp:(.text+0x251): undefined reference to `std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()' -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1760774 Title: GCC LTO bug when using -flto and -std=c++17 or -std=c++1z To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gcc-7/+bug/1760774/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
