Jonathan pointed out today that our list::sort and forward_list::sort tests don’t check that the sorting algorithms are stable.
They do now.
Someone should look through the standard, finding all the place where it says:
and make sure that we have tests for it. (in N4810, there are 15 of them)
I’ll put this on my TODO list, to get to “sometime”, but if anyone else wants to do it, that’s fine with me.