/usr/include/c++/8/bits/ios_base.h:233:12: runtime error: member access within address 0x7ffce2926a20 which does not point to an object of type 'system_error'
0x7ffce2926a20: note: object is of type 'std::ios_base::failure[abi:cxx11]'
fc 7f 00 00 48 7f 9c c0 d2 7f 00 00 a8 72 31 02 00 00 00 00 01 00 00 00 00 00 00 00 d0 00 9d c0
^~~~~~~~~~~~~~~~~~~~~~~
vptr for 'std::ios_base::failure[abi:cxx11]'
#0 0x478f13 in std::ios_base::system_error::system_error(std::ios_base::system_error const&) (/home/travis/build/boostorg/boost-root/bin.v2/libs/date_time/test/testdate_input_facet.test/gcc-8/debug/cxxstd-03-iso/threading-multi/undefined-sanitizer-norecover/visibility-hidden/testdate_input_facet+0x478f13)
#1 0x47935e in std::ios_base::failure[abi:cxx11]::failure(std::ios_base::failure[abi:cxx11] const&) (/home/travis/build/boostorg/boost-root/bin.v2/libs/date_time/test/testdate_input_facet.test/gcc-8/debug/cxxstd-03-iso/threading-multi/undefined-sanitizer-norecover/visibility-hidden/testdate_input_facet+0x47935e)
#2 0x49cde0 in boost::exception_detail::error_info_injector<std::ios_base::failure[abi:cxx11]>::error_info_injector(std::ios_base::failure[abi:cxx11] const&) (/home/travis/build/boostorg/boost-root/bin.v2/libs/date_time/test/testdate_input_facet.test/gcc-8/debug/cxxstd-03-iso/threading-multi/undefined-sanitizer-norecover/visibility-hidden/testdate_input_facet+0x49cde0)
#3 0x4985de in boost::exception_detail::enable_error_info_return_type<std::ios_base::failure[abi:cxx11]>::type boost::enable_error_info<std::ios_base::failure[abi:cxx11]>(std::ios_base::failure[abi:cxx11] const&) (/home/travis/build/boostorg/boost-root/bin.v2/libs/date_time/test/testdate_input_facet.test/gcc-8/debug/cxxstd-03-iso/threading-multi/undefined-sanitizer-norecover/visibility-hidden/testdate_input_facet+0x4985de)
#4 0x48be10 in boost::wrapexcept<boost::exception_detail::remove_error_info_injector<std::ios_base::failure[abi:cxx11]>::type> boost::exception_detail::enable_both<std::ios_base::failure[abi:cxx11]>(std::ios_base::failure[abi:cxx11] const&) (/home/travis/build/boostorg/boost-root/bin.v2/libs/date_time/test/testdate_input_facet.test/gcc-8/debug/cxxstd-03-iso/threading-multi/undefined-sanitizer-norecover/visibility-hidden/testdate_input_facet+0x48be10)
#5 0x479fc1 in void boost::throw_exception<std::ios_base::failure[abi:cxx11]>(std::ios_base::failure[abi:cxx11] const&) (/home/travis/build/boostorg/boost-root/bin.v2/libs/date_time/test/testdate_input_facet.test/gcc-8/debug/cxxstd-03-iso/threading-multi/undefined-sanitizer-norecover/visibility-hidden/testdate_input_facet+0x479fc1)
#6 0x490902 in boost::date_time::date_generator_parser<boost::gregorian::date, char>::extract_element(std::istreambuf_iterator<char, std::char_traits<char> >&, std::istreambuf_iterator<char, std::char_traits<char> >&, boost::date_time::date_generator_parser<boost::gregorian::date, char>::phrase_elements) const (/home/travis/build/boostorg/boost-root/bin.v2/libs/date_time/test/testdate_input_facet.test/gcc-8/debug/cxxstd-03-iso/threading-multi/undefined-sanitizer-norecover/visibility-hidden/testdate_input_facet+0x490902)
#7 0x481392 in boost::date_time::first_kday_before<boost::gregorian::date> boost::date_time::date_generator_parser<boost::gregorian::date, char>::get_kday_before_type<boost::date_time::date_input_facet<boost::gregorian::date, char, std::istreambuf_iterator<char, std::char_traits<char> > > >(std::istreambuf_iterator<char, std::char_traits<char> >&, std::istreambuf_iterator<char, std::char_traits<char> >&, std::ios_base&, boost::date_time::date_input_facet<boost::gregorian::date, char, std::istreambuf_iterator<char, std::char_traits<char> > > const&) const (/home/travis/build/boostorg/boost-root/bin.v2/libs/date_time/test/testdate_input_facet.test/gcc-8/debug/cxxstd-03-iso/threading-multi/undefined-sanitizer-norecover/visibility-hidden/testdate_input_facet+0x481392)
#8 0x4703f3 in boost::date_time::date_input_facet<boost::gregorian::date, char, std::istreambuf_iterator<char, std::char_traits<char> > >::get(std::istreambuf_iterator<char, std::char_traits<char> >&, std::istreambuf_iterator<char, std::char_traits<char> >&, std::ios_base&, boost::date_time::first_kday_before<boost::gregorian::date>&) const (/home/travis/build/boostorg/boost-root/bin.v2/libs/date_time/test/testdate_input_facet.test/gcc-8/debug/cxxstd-03-iso/threading-multi/undefined-sanitizer-norecover/visibility-hidden/testdate_input_facet+0x4703f3)
#9 0x4509b6 in std::basic_istream<char, std::char_traits<char> >& boost::gregorian::operator>><char, std::char_traits<char> >(std::basic_istream<char, std::char_traits<char> >&, boost::date_time::first_kday_before<boost::gregorian::date>&) (/home/travis/build/boostorg/boost-root/bin.v2/libs/date_time/test/testdate_input_facet.test/gcc-8/debug/cxxstd-03-iso/threading-multi/undefined-sanitizer-norecover/visibility-hidden/testdate_input_facet+0x4509b6)
#10 0x454f04 in bool failure_test<boost::date_time::first_kday_before<boost::gregorian::date>, std::ios_base::failure[abi:cxx11]>(boost::date_time::first_kday_before<boost::gregorian::date>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::ios_base::failure[abi:cxx11] const&, boost::date_time::date_input_facet<boost::gregorian::date, char, std::istreambuf_iterator<char, std::char_traits<char> > >*) (/home/travis/build/boostorg/boost-root/bin.v2/libs/date_time/test/testdate_input_facet.test/gcc-8/debug/cxxstd-03-iso/threading-multi/undefined-sanitizer-norecover/visibility-hidden/testdate_input_facet+0x454f04)
#11 0x412a16 in main ../../libs/date_time/test/gregorian/testdate_input_facet.cpp:338
#12 0x7fd2bf4c982f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
#13 0x40adb8 in _start (/home/travis/build/boostorg/boost-root/bin.v2/libs/date_time/test/testdate_input_facet.test/gcc-8/debug/cxxstd-03-iso/threading-multi/undefined-sanitizer-norecover/visibility-hidden/testdate_input_facet+0x40adb8)
EXIT STATUS: 1
====== END OUTPUT ======