[Bug c++/79118] New: internal compiler error: in cxx_eval_bit_field_ref, at cp/constexpr.c:2258

["s_gccbugzilla at nedprod dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79118

            Bug ID: 79118
           Summary: internal compiler error: in cxx_eval_bit_field_ref, at
                    cp/constexpr.c:2258
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: s_gccbugzilla at nedprod dot com
  Target Milestone: ---

Created attachment 40531
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40531&action=edit
preprocessed source

ned@KATE:/mnt/g/boostish/outcome/build_posix$ g++ --version
g++ (Ubuntu 6.2.0-3ubuntu11~14.04) 6.2.0 20160901


ned@KATE:/mnt/g/boostish/outcome/build_posix$ /usr/bin/c++  
-DBOOST_OUTCOME_ENABLE_ADVANCED=1 -isystem
/mnt/g/boostish/.use_boostish_siblings  -fPIE   -fstack-protector-strong -Wall
-Wextra -std=gnu++14 -o
CMakeFiles/outcome_hl--unittests.dir/test/unittests.cpp.o -c
/mnt/g/boostish/outcome/test/unittests.cpp --save-temps
/mnt/g/boostish/outcome/test/unittests.cpp: In function ‘void
boostlite_auto_test_suite0::boostlite_auto_test_case5()’:
/mnt/g/boostish/outcome/test/unittests.cpp:497:25:   in constexpr expansion of
‘boost::outcome::_1_0_std_std_f724e3c2::basic_monad<boost::outcome::_1_0_std_std_f724e3c2::detail::option_policy<bool>
>(false).boost::outcome::_1_0_std_std_f724e3c2::basic_monad<boost::outcome::_1_0_std_std_f724e3c2::detail::option_policy<bool>
>::<anonymous>.boost::outcome::_1_0_std_std_f724e3c2::detail::option_policy_base<monad_storage,
value_type, error_type,
exception_type>::get<boost::outcome::_1_0_std_std_f724e3c2::detail::basic_monad_storage<boost::outcome::_1_0_std_std_f724e3c2::detail::option_policy<bool>
>, bool, void, void>()’
/mnt/g/boostish/outcome/test/../include/boost/outcome/v1.0/detail/monad_policy.ipp:137:21:
  in constexpr expansion of
boost::outcome::_1_0_std_std_f724e3c2::detail::option_policy_base<monad_storage,
value_type, error_type,
exception_type>::_pre_get_value<boost::outcome::_1_0_std_std_f724e3c2::detail::basic_monad_storage<boost::outcome::_1_0_std_std_f724e3c2::detail::option_policy<bool>
>, bool, void, void>()’
/mnt/g/boostish/outcome/test/../include/boost/outcome/v1.0/detail/monad_policy.ipp:66:34:
  in constexpr expansion of ‘((const
boost::outcome::_1_0_std_std_f724e3c2::detail::option_policy_base<boost::outcome::_1_0_std_std_f724e3c2::detail::basic_monad_storage<boost::outcome::_1_0_std_std_f724e3c2::detail::option_policy<bool>
>, bool, void,
void>*)this)->boost::outcome::_1_0_std_std_f724e3c2::detail::option_policy_base<boost::outcome::_1_0_std_std_f724e3c2::detail::basic_monad_storage<boost::outcome::_1_0_std_std_f724e3c2::detail::option_policy<bool>
>, bool, void,
void>::<anonymous>.boost::outcome::_1_0_std_std_f724e3c2::detail::basic_monad_storage<_implementation_policy>::is_ready<boost::outcome::_1_0_std_std_f724e3c2::detail::option_policy<bool>
>()’
/mnt/g/boostish/outcome/test/unittests.cpp:497:31: internal compiler error: in
cxx_eval_bit_field_ref, at cp/constexpr.c:2258
   BOOST_CHECK(option<bool>(false).get() == false);
                               ^~~~~
Please submit a full bug report,
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See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.