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From: Jonathan Wakely <redi@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org
Subject: [gcc r10-10247] libstdc++: Remove [[nodiscard]] from <valarray>
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https://gcc.gnu.org/g:fa9c9b31b75ff7d7878da47bdefcd930d34c5421

commit r10-10247-gfa9c9b31b75ff7d7878da47bdefcd930d34c5421
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Mon Nov 1 20:20:57 2021 +0000

    libstdc++: Remove [[nodiscard]] from <valarray>
    
    A backport from trunk included these attributes, but they aren't present
    on the other std::begin and std::end overloads, so remove them from
    these overloads.
    
    libstdc++-v3/ChangeLog:
    
            * include/std/valarray (begin, end): Remove nodiscard attribute.

Diff:
---
 libstdc++-v3/include/std/valarray | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/libstdc++-v3/include/std/valarray b/libstdc++-v3/include/std/valarray
index 96e2bcb290f..e1b5d5f4f02 100644
--- a/libstdc++-v3/include/std/valarray
+++ b/libstdc++-v3/include/std/valarray
@@ -1210,7 +1210,6 @@ _DEFINE_BINARY_OPERATOR(>=, __greater_equal)
    *  @param  __va  valarray.
    */
   template<class _Tp>
-    [[__nodiscard__]]
     inline _Tp*
     begin(valarray<_Tp>& __va) noexcept
     { return __va.size() ? std::__addressof(__va[0]) : nullptr; }
@@ -1221,7 +1220,6 @@ _DEFINE_BINARY_OPERATOR(>=, __greater_equal)
    *  @param  __va  valarray.
    */
   template<class _Tp>
-    [[__nodiscard__]]
     inline const _Tp*
     begin(const valarray<_Tp>& __va) noexcept
     { return __va.size() ? std::__addressof(__va[0]) : nullptr; }
@@ -1232,7 +1230,6 @@ _DEFINE_BINARY_OPERATOR(>=, __greater_equal)
    *  @param  __va  valarray.
    */
   template<class _Tp>
-    [[__nodiscard__]]
     inline _Tp*
     end(valarray<_Tp>& __va) noexcept
     {
@@ -1248,7 +1245,6 @@ _DEFINE_BINARY_OPERATOR(>=, __greater_equal)
    *  @param  __va  valarray.
    */
   template<class _Tp>
-    [[__nodiscard__]]
     inline const _Tp*
     end(const valarray<_Tp>& __va) noexcept
     {