https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114477
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P4 --- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to 康桓瑋 from comment #0) > auto begin = decltype(filter.begin())(filter, base.begin()); // should ok I have very little motivation to "fix" this. Nobody should be writing code like that anyway.