https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82684
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2017-10-24
Version|unknown |5.4.0
Ever confirmed|0 |1
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Christopher J. Hanks from comment #0)
> Tested on Ubuntu 16.04 using GLIBCXX_3.4. The template specializations for
> std::complex<double | float | long double> require the presence of the C99
> complex type even though the primary class template is designed to work
> without it.
This is by design. What is the bug you're reporting?
> Putting the specializations and forward declarations in an `#if
> _GLIBCXX_USE_C99_COMPLEX` block appears to allow code to compile as expected.
What code? What doesn't compile without those changes?
