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* [gcc r12-522] libstdc++: Don't constrain some enable_borrowed_range specializations
@ 2021-05-05 16:08 Patrick Palka
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From: Patrick Palka @ 2021-05-05 16:08 UTC (permalink / raw)
To: gcc-cvs, libstdc++-cvs
https://gcc.gnu.org/g:2b71ca688b0ae14d3a35dab12f1f11a2a6292b7d
commit r12-522-g2b71ca688b0ae14d3a35dab12f1f11a2a6292b7d
Author: Patrick Palka <ppalka@redhat.com>
Date: Wed May 5 12:07:52 2021 -0400
libstdc++: Don't constrain some enable_borrowed_range specializations
These constraints are already present on the template we're partially
specializing for.
libstdc++-v3/ChangeLog:
* include/bits/ranges_util.h (enable_borrowed_range<subrange>):
Remove constraints on this partial specialization.
* include/std/ranges (enable_borrowed_range<iota_view>):
Likewise.
Diff:
---
libstdc++-v3/include/bits/ranges_util.h | 3 +--
libstdc++-v3/include/std/ranges | 2 +-
2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/libstdc++-v3/include/bits/ranges_util.h b/libstdc++-v3/include/bits/ranges_util.h
index 589886eb157..b73fc121e0f 100644
--- a/libstdc++-v3/include/bits/ranges_util.h
+++ b/libstdc++-v3/include/bits/ranges_util.h
@@ -381,8 +381,7 @@ namespace ranges
return __r.end();
}
- template<input_or_output_iterator _It, sentinel_for<_It> _Sent,
- subrange_kind _Kind>
+ template<typename _It, typename _Sent, subrange_kind _Kind>
inline constexpr bool
enable_borrowed_range<subrange<_It, _Sent, _Kind>> = true;
diff --git a/libstdc++-v3/include/std/ranges b/libstdc++-v3/include/std/ranges
index f21e08a36e3..2305bd200a5 100644
--- a/libstdc++-v3/include/std/ranges
+++ b/libstdc++-v3/include/std/ranges
@@ -586,7 +586,7 @@ namespace ranges
== __detail::__is_signed_integer_like<_Bound>))
iota_view(_Winc, _Bound) -> iota_view<_Winc, _Bound>;
- template<weakly_incrementable _Winc, semiregular _Bound>
+ template<typename _Winc, typename _Bound>
inline constexpr bool
enable_borrowed_range<iota_view<_Winc, _Bound>> = true;
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