diff --git a/libstdc++-v3/include/bits/basic_string.h b/libstdc++-v3/include/bits/basic_string.h index a34b3d9ed28..57247e306dc 100644 --- a/libstdc++-v3/include/bits/basic_string.h +++ b/libstdc++-v3/include/bits/basic_string.h @@ -3627,17 +3627,10 @@ _GLIBCXX_END_NAMESPACE_CXX11 operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs) _GLIBCXX_NOEXCEPT - { return __lhs.compare(__rhs) == 0; } - - template - _GLIBCXX20_CONSTEXPR - inline - typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value, bool>::__type - operator==(const basic_string<_CharT>& __lhs, - const basic_string<_CharT>& __rhs) _GLIBCXX_NOEXCEPT - { return (__lhs.size() == __rhs.size() - && !std::char_traits<_CharT>::compare(__lhs.data(), __rhs.data(), - __lhs.size())); } + { + return __lhs.size() == __rhs.size() + && !_Traits::compare(__lhs.data(), __rhs.data(), __lhs.size()); + } /** * @brief Test equivalence of string and C string. @@ -3650,7 +3643,10 @@ _GLIBCXX_END_NAMESPACE_CXX11 inline bool operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs, const _CharT* __rhs) - { return __lhs.compare(__rhs) == 0; } + { + return __lhs.size() == _Traits::length(__rhs) + && !_Traits::compare(__lhs.data(), __rhs, __lhs.size()); + } #if __cpp_lib_three_way_comparison /** @@ -3691,7 +3687,7 @@ _GLIBCXX_END_NAMESPACE_CXX11 inline bool operator==(const _CharT* __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs) - { return __rhs.compare(__lhs) == 0; } + { return __rhs == __lhs; } // operator != /** @@ -3717,7 +3713,7 @@ _GLIBCXX_END_NAMESPACE_CXX11 inline bool operator!=(const _CharT* __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs) - { return !(__lhs == __rhs); } + { return !(__rhs == __lhs); } /** * @brief Test difference of string and C string.