On Fri, Jun 05, 2026 at 12:48:02PM +0100, Richard Sandiford wrote: > That said, I suppose > https://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#900 shows > that there are demons even there if (for example) we tried to define > derived iterators over subranges.
Isn't that resolved by https://wg21.link/P2718R0 ? Though sure, C++23 and later only (or -frange-for-ext-temps for older standard versions, but only GCC 15+). Jakub
