Re: [cfe-users] Code which compiles with g++ but not with clang++

On Thu, Nov 5, 2020 at 11:06 connor horman wrote: > Looking at https://eel.is/c++draft/optional.optional and optional.assign, > it shouldn't be ill-formed to have a non copy-constructible type, the copy > constructor of optional should be defined as deleted. > [optional.optional.general] clause 3

Re: [cfe-users] Code which compiles with g++ but not with clang++

I've actually reduced the problem to the defaulted copy assignment operator itself: gcc: https://godbolt.org/z/83Gjdb clang: https://godbolt.org/z/z35x4K The controlling clause would seem to be https://eel.is/c++draft/class.copy.assign#7.4. In particular, because overload resolution cannot find th