[Bug c++/53878] [C++11] Abstract class constructors

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53878

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #2)
> Fixed in GCC 7+.  I suspect by r7-3590 .

pr66443-cxx14-3.C testcase looks like this case.