https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100690
Bug ID: 100690
Summary: ranges::iota_view::_Sentinel cannot access _M_current
of _Iterator
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: hewillk at gmail dot com
Target Milestone: ---
Same access issue as PR100631:
https://godbolt.org/z/z4Ysc1cez
#include <ranges>
int main() {
int x[] = {42, 42, 42};
auto r = std::views::iota(std::ranges::begin(x), std::ranges::cbegin(x) + 3);
r.end() - r.begin();
r.begin() - r.end();
}
<source>:7:22: required from here
/opt/compiler-explorer/gcc-trunk-20210519/include/c++/12.0.0/ranges:518:22:
error: 'int* std::ranges::iota_view<int*, const int*>::_Iterator::_M_value' is
private within this context
518 | { return __x._M_value - __y._M_bound; }
| ~~~~^~~~~~~~
/opt/compiler-explorer/gcc-trunk-20210519/include/c++/12.0.0/ranges:490:15:
note: declared private here
490 | _Winc _M_value = _Winc();
| ^~~~~~~~
