[Bug libstdc++/60497] unique_ptr<T> tries to complete its type T even though it's not required to be a complete type

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60497

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Marc Glisse from comment #1)
> Now the question would be: are there similar statements throughout the
> library that could benefit from the same treatment, or is this a special
> case?

It's a good question. I've fixed this case on the trunk, but we might want to
leave this open and backport it to the 4.8 and 4.9 branches, and look for other
cases.