https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107371
Bug ID: 107371 Summary: __adaptor::_RangeAdaptor rejects the explicit move constructor case 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: --- libstdc++ rejects the following code: #include <ranges> struct A { A() = default; explicit A(A&&) { } operator int() { return 5; } }; int main() { auto r = std::views::iota(0) | std::views::take(A{}); } https://godbolt.org/z/EEarj7he8