[Bug c++/87671] Incorrect debugging information for unique_ptr passed to a constructor

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87671

--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> ---
There's no such thing as 8.2.2, the next release will be 8.3.0, see
https://gcc.gnu.org/develop.html#num_scheme

Tom, is it time to backport this from trunk to gcc-7-branch and gcc-8-branch?