https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63942
Bug ID: 63942 Summary: [5.0 Regression] constexpr conflicts with previous declaration Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: dje at gcc dot gnu.org FAIL: 20_util/tuple/comparison_operators/overloaded.cc (test for excess errors) Excess errors: /tmp/20141104/powerpc-ibm-aix7.1.0.0/libstdc++-v3/include/tuple:102:12: error: 'constexpr std::_Head_base<_Idx, _Head, false>::_Head_base(const std::_Head_base<_Idx, _Head, false>&) [with long unsigned int _Idx = 0ul; _Head = std::nullptr_t]' conflicts with a previous declaration /tmp/20141104/powerpc-ibm-aix7.1.0.0/libstdc++-v3/include/tuple:102:12: error: 'constexpr std::_Head_base<_Idx, _Head, false>::_Head_base(const std::_Head_base<_Idx, _Head, false>&) [with long unsigned int _Idx = 0ul; _Head = std::nullptr_t]' conflicts with a previous declaration FAIL: 20_util/tuple/creation_functions/tuple_cat.cc (test for excess errors) Excess errors: /tmp/20141104/powerpc-ibm-aix7.1.0.0/libstdc++-v3/include/tuple:102:12: error: 'constexpr std::_Head_base<_Idx, _Head, false>::_Head_base(const std::_Head_base<_Idx, _Head, false>&) [with long unsigned int _Idx = 6ul; _Head = std::nullptr_t]' conflicts with a previous declaration /tmp/20141104/powerpc-ibm-aix7.1.0.0/libstdc++-v3/include/tuple:102:12: error: 'constexpr std::_Head_base<_Idx, _Head, false>::_Head_base(const std::_Head_base<_Idx, _Head, false>&) [with long unsigned int _Idx = 6ul; _Head = std::nullptr_t]' conflicts with a previous declaration