https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #9 from cqwrteur <unlvsur at live dot com> ---
(In reply to Jonathan Wakely from comment #8)
> Which means this is enough to make Clang happy for the comment 0 example:
>
> --- a/libstdc++-v3/include/bits/basic_string.tcc
> +++ b/libstdc++-v3/include/bits/basic_string.tcc
> @@ -167,6 +167,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
> _M_construct(_InIterator __beg, _InIterator __end,
> std::input_iterator_tag)
> {
> +#if __cpp_lib_is_constant_evaluated
> + if (__builtin_is_constant_evaluated())
> + _M_local_buf[0] = _CharT();
> +#endif
> +
> size_type __len = 0;
> size_type __capacity = size_type(_S_local_capacity);
>
> @@ -223,6 +228,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
> _M_data(_M_create(__dnew, size_type(0)));
> _M_capacity(__dnew);
> }
> +#if __cpp_lib_is_constant_evaluated
> + else if (__builtin_is_constant_evaluated())
> + _M_local_buf[0] = _CharT();
> +#endif
>
> // Check for out_of_range and length_error exceptions.
> __try
> @@ -247,6 +256,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
> _M_data(_M_create(__n, size_type(0)));
> _M_capacity(__n);
> }
> +#if __cpp_lib_is_constant_evaluated
> + else if (__builtin_is_constant_evaluated())
> + _M_local_buf[0] = _CharT();
> +#endif
>
> if (__n)
> this->_S_assign(_M_data(), __n, __c);
where can i download EDG??
