On Fri, 9 Sep 2022, 18:25 Patrick Palka via Libstdc++, <
libstd...@gcc.gnu.org> wrote:
> PR libstdc++/106798
>
> libstdc++-v3/ChangeLog:
>
> * include/std/ranges (adjacent_view::_Iterator::_Iterator): Fix
> typo.
> * testsuite/std/ranges/adaptors/adjacent/1.cc (test04): New test.
>
OK, thanks.
---
> libstdc++-v3/include/std/ranges | 2 +-
> .../testsuite/std/ranges/adaptors/adjacent/1.cc | 12 ++++++++++++
> 2 files changed, 13 insertions(+), 1 deletion(-)
>
> diff --git a/libstdc++-v3/include/std/ranges
> b/libstdc++-v3/include/std/ranges
> index 2b8fec3c386..37ad80ad3de 100644
> --- a/libstdc++-v3/include/std/ranges
> +++ b/libstdc++-v3/include/std/ranges
> @@ -5239,7 +5239,7 @@ namespace views::__adaptor
> requires _Const && convertible_to<iterator_t<_Vp>,
> iterator_t<_Base>>
> {
> for (size_t __j = 0; __j < _Nm; ++__j)
> - _M_current[__j] = std::move(__i[__j]);
> + _M_current[__j] = std::move(__i._M_current[__j]);
> }
>
> constexpr auto
> diff --git a/libstdc++-v3/testsuite/std/ranges/adaptors/adjacent/1.cc
> b/libstdc++-v3/testsuite/std/ranges/adaptors/adjacent/1.cc
> index 9829f79364f..443c1fbf450 100644
> --- a/libstdc++-v3/testsuite/std/ranges/adaptors/adjacent/1.cc
> +++ b/libstdc++-v3/testsuite/std/ranges/adaptors/adjacent/1.cc
> @@ -101,10 +101,22 @@ test03()
> return true;
> }
>
> +constexpr bool
> +test04()
> +{
> + // PR libstdc++/106798
> + auto r = views::single(0) | views::lazy_split(0) | views::pairwise;
> + decltype(ranges::cend(r)) s = r.end();
> + VERIFY( r.begin() == s );
> +
> + return true;
> +}
> +
> int
> main()
> {
> static_assert(test01());
> static_assert(test02());
> static_assert(test03());
> + static_assert(test04());
> }
> --
> 2.37.3.518.g79f2338b37
>
>
