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* [gcc(refs/vendors/ARM/heads/arm-perf-staging)] libstdc++: Simplify std::totally_ordered_with (LWG 3329)
@ 2020-07-17 13:13 Tamar Christina
0 siblings, 0 replies; only message in thread
From: Tamar Christina @ 2020-07-17 13:13 UTC (permalink / raw)
To: gcc-cvs, libstdc++-cvs
https://gcc.gnu.org/g:241ed965509ac931e9ae5f331d0294c1ee4ccd89
commit 241ed965509ac931e9ae5f331d0294c1ee4ccd89
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Wed Feb 19 21:31:06 2020 +0000
libstdc++: Simplify std::totally_ordered_with (LWG 3329)
* include/std/concepts (totally_ordered_with): Remove redundant
requirement (LWG 3329).
Diff:
---
libstdc++-v3/ChangeLog | 3 +++
libstdc++-v3/include/std/concepts | 3 +--
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 6e22536680f..3941bcbe7ba 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,5 +1,8 @@
2020-02-19 Jonathan Wakely <jwakely@redhat.com>
+ * include/std/concepts (totally_ordered_with): Remove redundant
+ requirement (LWG 3329).
+
* include/std/ranges (__detail::__convertible_to_non_slicing): New
helper concept.
(__detail::__pair_like_convertible_to): Remove.
diff --git a/libstdc++-v3/include/std/concepts b/libstdc++-v3/include/std/concepts
index f3db40b798f..be125c636a1 100644
--- a/libstdc++-v3/include/std/concepts
+++ b/libstdc++-v3/include/std/concepts
@@ -311,10 +311,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
template<typename _Tp, typename _Up>
concept totally_ordered_with
= totally_ordered<_Tp> && totally_ordered<_Up>
- && common_reference_with<__detail::__cref<_Tp>, __detail::__cref<_Up>>
+ && equality_comparable_with<_Tp, _Up>
&& totally_ordered<common_reference_t<__detail::__cref<_Tp>,
__detail::__cref<_Up>>>
- && equality_comparable_with<_Tp, _Up>
&& requires(__detail::__cref<_Tp> __t, __detail::__cref<_Up> __u) {
{ __t < __u } -> __detail::__boolean_testable;
{ __t > __u } -> __detail::__boolean_testable;
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