From: Benjamin Brock <brock@cs.berkeley.edu>
To: Jonathan Wakely <jwakely.gcc@gmail.com>
Cc: gcc-patches <gcc-patches@gcc.gnu.org>,
"libstdc++" <libstdc++@gcc.gnu.org>
Subject: Re: [PATCH] libstdc++: Workaround for LLVM-61763 in ranges
Date: Fri, 20 Oct 2023 11:32:35 -0700 [thread overview]
Message-ID: <CAJGDH+c0ouFOvEEfE_y8cNYX240_1uA95CZgd3Ui1esvow7eTQ@mail.gmail.com> (raw)
In-Reply-To: <CAH6eHdTJWrRn8sQMNPYYf+nY7QqrZWGv7QZAs-cvYc26gdY+1g@mail.gmail.com>
> I don't think this patch counts as legally significant, but if you contribute again in future you should be aware of https://gcc.gnu.org/contribute.html#legal and either complete the copyright assignment paperwork, or add a DCO sign-off to the commit message.
Thanks for the reminder. I just added a sign-off.
> This should be a complete sentence, so capital letter and full stop.
Fixed!
---
Signed-off-by: Benjamin Brock <brock@cs.berkeley.edu>
libstdc++-v3/ChangeLog:
* include/std/ranges: Implement workaround for LLVM-61763 in
zip_view and adjacency_view.
---
diff --git a/libstdc++-v3/include/std/ranges b/libstdc++-v3/include/std/ranges
index 1d529a886be..7893e3a84c9 100644
--- a/libstdc++-v3/include/std/ranges
+++ b/libstdc++-v3/include/std/ranges
@@ -4632,6 +4632,9 @@ namespace views::__adaptor
class zip_view<_Vs...>::_Iterator
: public __detail::__zip_view_iter_cat<_Const, _Vs...>
{
+#ifdef __clang__ // LLVM-61763 workaround
+ public:
+#endif
__detail::__tuple_or_pair_t<iterator_t<__detail::__maybe_const_t<_Const,
_Vs>>...> _M_current;
constexpr explicit
@@ -4652,11 +4655,13 @@ namespace views::__adaptor
return input_iterator_tag{};
}
+#ifndef __clang__ // LLVM-61763 workaround
template<move_constructible _Fp, input_range... _Ws>
requires (view<_Ws> && ...) && (sizeof...(_Ws) > 0) && is_object_v<_Fp>
&& regular_invocable<_Fp&, range_reference_t<_Ws>...>
&& std::__detail::__can_reference<invoke_result_t<_Fp&,
range_reference_t<_Ws>...>>
friend class zip_transform_view;
+#endif
public:
// iterator_category defined in __zip_view_iter_cat
@@ -5327,6 +5332,9 @@ namespace views::__adaptor
template<bool _Const>
class adjacent_view<_Vp, _Nm>::_Iterator
{
+#ifdef __clang__ // LLVM-61763 workaround
+ public:
+#endif
using _Base = __detail::__maybe_const_t<_Const, _Vp>;
array<iterator_t<_Base>, _Nm> _M_current = array<iterator_t<_Base>, _Nm>();
@@ -5367,12 +5375,14 @@ namespace views::__adaptor
friend class adjacent_view;
+#ifndef __clang__ // LLVM-61763 workaround
template<forward_range _Wp, move_constructible _Fp, size_t _Mm>
requires view<_Wp> && (_Mm > 0) && is_object_v<_Fp>
&& regular_invocable<__detail::__unarize<_Fp&, _Mm>,
range_reference_t<_Wp>>
&& std::__detail::__can_reference<invoke_result_t<__detail::__unarize<_Fp&,
_Mm>,
range_reference_t<_Wp>>>
friend class adjacent_transform_view;
+#endif
public:
using iterator_category = input_iterator_tag;
prev parent reply other threads:[~2023-10-20 18:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-13 23:32 Benjamin Brock
2023-10-14 8:32 ` Jonathan Wakely
2023-10-20 18:32 ` Benjamin Brock [this message]
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