https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78395
--- Comment #6 from Chris <cmacmackin at gmail dot com> --- > Which one do you mean exactly? Shouldn't they all use the user-defined > assignment function? Yes, that's right--they all should. Sorry, I didn't have the code up in front of me when I wrote that so I was a bit imprecise in what I was saying.