[Bug c++/114395] [c++20+] std::is_constructible_v result of const reference incorrect

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114395

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Marek Polacek from comment #3)
> Changed with r10-5137-g43aae289866f5e:
> 
> commit 43aae289866f5ea55d187444520412554aa2e171
> Author: Marek Polacek <pola...@redhat.com>
> Date:   Tue Dec 3 15:59:40 2019 +0000
> 
>     PR c++/91363 - P0960R3: Parenthesized initialization of aggregates.

Hmm, reading the paper, I am not 100% sure if GCC implemented this correctly
due to the wording of the design principles:
```
Any existing meaning of A(b) should not change.
```