libstdc++: Remove redundant std::span destructor

This destructor declaration serves no purpose, as pointed out by LWG
3903 which was approved at Varna, June 2023.

libstdc++-v3/ChangeLog:

	* include/std/span (span::~span): Remove, as per LWG 3903.

Reviewed-by: Patrick Palka <ppalka@redhat.com>

diff --git a/libstdc++-v3/include/std/span b/libstdc++-v3/include/std/span
index 247b942dc3b2ec70bc135603e932965f4c8add4f..49ab9109d83e2d2793ada03b75d594d49e0d838e 100644 (file)
--- a/libstdc++-v3/include/std/span
+++ b/libstdc++-v3/include/std/span
@@ -257,8 +257,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
        : _M_ptr(__s.data()), _M_extent(__s.size())
        { }
 
-      ~span() noexcept = default;
-
       constexpr span&
       operator=(const span&) noexcept = default;