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From: Aldy Hernandez <aldyh@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org
Subject: [gcc/devel/ranger] libstdc++: make common_iterator<I, S> require copyable<I> (LWG 3385)
Date: Wed, 17 Jun 2020 19:02:31 +0000 (GMT) [thread overview]
Message-ID: <20200617190231.F3CE23959C69@sourceware.org> (raw)
https://gcc.gnu.org/g:1b425f3ac516f7250e9f7eac7cd4fe0908ccfa4e
commit 1b425f3ac516f7250e9f7eac7cd4fe0908ccfa4e
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Wed Feb 19 21:56:29 2020 +0000
libstdc++: make common_iterator<I, S> require copyable<I> (LWG 3385)
* include/bits/stl_iterator.h (common_iterator): Add copyable<I>
requirement (LWG 3385).
* testsuite/24_iterators/headers/iterator/synopsis_c++20.cc: Adjust
expected declaration.
Diff:
---
libstdc++-v3/ChangeLog | 5 +++++
libstdc++-v3/include/bits/stl_iterator.h | 2 +-
| 2 +-
3 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index ef91b80ef45..7f3f8876957 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,5 +1,10 @@
2020-02-19 Jonathan Wakely <jwakely@redhat.com>
+ * include/bits/stl_iterator.h (common_iterator): Add copyable<I>
+ requirement (LWG 3385).
+ * testsuite/24_iterators/headers/iterator/synopsis_c++20.cc: Adjust
+ expected declaration.
+
* include/std/ranges (take_while_view, drop_view, drop_while_view)
(elements_view:_Iterator): Initialize data members (LWG 3364).
diff --git a/libstdc++-v3/include/bits/stl_iterator.h b/libstdc++-v3/include/bits/stl_iterator.h
index fc9d442b475..372df223113 100644
--- a/libstdc++-v3/include/bits/stl_iterator.h
+++ b/libstdc++-v3/include/bits/stl_iterator.h
@@ -1426,7 +1426,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
/// An iterator/sentinel adaptor for representing a non-common range.
template<input_or_output_iterator _It, sentinel_for<_It> _Sent>
- requires (!same_as<_It, _Sent>)
+ requires (!same_as<_It, _Sent>) && copyable<_It>
class common_iterator
{
template<typename _Tp, typename _Up>
--git a/libstdc++-v3/testsuite/24_iterators/headers/iterator/synopsis_c++20.cc b/libstdc++-v3/testsuite/24_iterators/headers/iterator/synopsis_c++20.cc
index 4d8eca31d38..fbe116be2fd 100644
--- a/libstdc++-v3/testsuite/24_iterators/headers/iterator/synopsis_c++20.cc
+++ b/libstdc++-v3/testsuite/24_iterators/headers/iterator/synopsis_c++20.cc
@@ -56,7 +56,7 @@ namespace std
template<semiregular S> class move_sentinel;
template<input_or_output_iterator I, sentinel_for<I> S>
- requires (!same_as<I, S>)
+ requires (!same_as<I, S>) && copyable<I>
class common_iterator;
template<class I, class S>
reply other threads:[~2020-06-17 19:02 UTC|newest]
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