Yes, I have fixed them on my side and am waiting for the test results!
Thank you!

On Mon, Jun 12, 2023 at 11:09 AM François Dumont <frs.dumont@gmail.com>
wrote:

> Same remark for all your alike patches.
>
> On 11/06/2023 04:43, Ken Matsui via Libstdc++ wrote:
> > This patch gets std::is_reference to dispatch to new built-in trait
> > __is_reference.
> >
> > libstdc++-v3/ChangeLog:
> >
> >       * include/std/type_traits (is_reference): Use __is_reference
> built-in
> >       trait.
> >       (is_reference_v): Likewise.
> >
> > Signed-off-by: Ken Matsui <kmatsui@cs.washington.edu>
> > ---
> >   libstdc++-v3/include/std/type_traits | 13 ++++++++-----
> >   1 file changed, 8 insertions(+), 5 deletions(-)
> >
> > diff --git a/libstdc++-v3/include/std/type_traits
> b/libstdc++-v3/include/std/type_traits
> > index 0e7a9c9c7f3..b2eb4bd3e7f 100644
> > --- a/libstdc++-v3/include/std/type_traits
> > +++ b/libstdc++-v3/include/std/type_traits
> > @@ -639,6 +639,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
> >     // Composite type categories.
> >
> >     /// is_reference
> > +#if __has_builtin(__is_reference)
> Here you are checking __has_builtin(__is_reference)...
> > +  template<typename _Tp>
> > +    struct is_reference
> > +    : public __bool_constant<__is_reference(_Tp)>
> > +    { };
> > +#else
> >     template<typename _Tp>
> >       struct is_reference
> >       : public false_type
> > @@ -653,6 +659,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
> >       struct is_reference<_Tp&&>
> >       : public true_type
> >       { };
> > +#endif
> >
> >     /// is_arithmetic
> >     template<typename _Tp>
> > @@ -3193,11 +3200,7 @@ template <typename _Tp>
> >   template <typename _Tp>
> >     inline constexpr bool is_function_v = is_function<_Tp>::value;
> >   template <typename _Tp>
> > -  inline constexpr bool is_reference_v = false;
> > -template <typename _Tp>
> > -  inline constexpr bool is_reference_v<_Tp&> = true;
> > -template <typename _Tp>
> > -  inline constexpr bool is_reference_v<_Tp&&> = true;
> > +  inline constexpr bool is_reference_v = __is_reference(_Tp);
> ...but not here, why ?
>
> --
Sincerely,
Ken Matsui