[Bug c++/69694] type incomplete depending if constructing function is templated

[bloerwald at googlemail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69694

--- Comment #2 from bloerwald at googlemail dot com ---
(In reply to Patrick Palka from comment #1)
> g++ 4.9 compiles this successfully, g++ 5.1 doesn't, neither does trunk.

The original testcase as well as the code it was reduced from failed on 4.9.2
as well. Is this still the same issue?