[gcc r11-9914] libstdc++: Add missing noexcept to lazy_split_view iterator (LWG 3593)

[Jonathan Wakely <redi@gcc.gnu.org>]

https://gcc.gnu.org/g:389ae9d285c461e7b1c1ab7fd5a5e87d297f9395

commit r11-9914-g389ae9d285c461e7b1c1ab7fd5a5e87d297f9395
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Tue Jan 11 14:22:47 2022 +0000

    libstdc++: Add missing noexcept to lazy_split_view iterator (LWG 3593)
    
    This was approved at the October 2021 plenary. We already have noexcept
    in the other places the issue adds it in the spec.
    
    libstdc++-v3/ChangeLog:
    
            * include/std/ranges (ranges::lazy_split_view::_InnerIter::end()):
            Add neoxcept (LWG 3593).
    
    (cherry picked from commit 46de918f9892e637845bd97b4ca95011d46d3733)

Diff:
---
 libstdc++-v3/include/std/ranges | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libstdc++-v3/include/std/ranges b/libstdc++-v3/include/std/ranges
index f55ee15e1b1..bbdfb7dbe5c 100644
--- a/libstdc++-v3/include/std/ranges
+++ b/libstdc++-v3/include/std/ranges
@@ -2916,7 +2916,7 @@ namespace views::__adaptor
 	    { return _InnerIter<_Const>{_M_i}; }
 
 	    constexpr default_sentinel_t
-	    end() const
+	    end() const noexcept
 	    { return default_sentinel; }
 	  };