Jonathan M Davis: > If it gives you stack trace though, I guess that it would help, > though it would certainly be ugly.
It's not too ugly at all, since it's a template stack trace - so in a lot of cases, it isn't a very long list. Regardless though, something is better than nothing. > Fortunately, in the case of something like tolower, _every_ > function called Indeed, though another one was repeat() with replicate(), which isn't as simple without the compiler's help. While a proper warning is surely better than a filthy hack, if it's not coming, adding a versioned static assert is a low cost alternative we can do immediately.
