https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104032
Bug ID: 104032
Summary: Cannot move-assign a spanstream
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: rejects-valid
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: ensadc at mailnesia dot com
Target Milestone: ---
https://godbolt.org/z/GxdYrYYrj
====
#include <spanstream>
int main() {
std::ispanstream a(""), b("");
a = std::move(b);
}
====
In file included from <source>:1:
/opt/compiler-explorer/gcc-trunk-20220114/include/c++/12.0.0/spanstream: In
instantiation of 'std::basic_spanbuf<_CharT, _Traits>&
std::basic_spanbuf<_CharT, _Traits>::operator=(std::basic_spanbuf<_CharT,
_Traits>&&) [with _CharT = char; _Traits = std::char_traits<char>]':
/opt/compiler-explorer/gcc-trunk-20220114/include/c++/12.0.0/spanstream:258:24:
required from here
/opt/compiler-explorer/gcc-trunk-20220114/include/c++/12.0.0/spanstream:89:7:
error: base operand of '->' has non-pointer type 'std::basic_spanbuf<char>'
89 | basic_spanbuf(std::move(__rhs))->swap(*this);
| ^~~~~~~~~~~~~
