[gcc r12-6710] libstdc++: Fix deprecated attribute for std::get_temporary_buffer

[Jonathan Wakely]

https://gcc.gnu.org/g:a68080a121de0d1a0604dd71a96f42c8266e136b

commit r12-6710-ga68080a121de0d1a0604dd71a96f42c8266e136b
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Tue Jan 18 22:27:57 2022 +0000

    libstdc++: Fix deprecated attribute for std::get_temporary_buffer
    
    This was deprecated in C++17, not C++14.
    
    libstdc++-v3/ChangeLog:
    
            * include/bits/stl_tempbuf.h (get_temporary_buffer): Change
            _GLIBCXX14_DEPRECATED to _GLIBCXX17_DEPRECATED.

Diff:
---
 libstdc++-v3/include/bits/stl_tempbuf.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libstdc++-v3/include/bits/stl_tempbuf.h b/libstdc++-v3/include/bits/stl_tempbuf.h
index 654c6a80747..db7cdb14ca9 100644
--- a/libstdc++-v3/include/bits/stl_tempbuf.h
+++ b/libstdc++-v3/include/bits/stl_tempbuf.h
@@ -96,7 +96,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
    * Provides the nothrow exception guarantee.
    */
   template<typename _Tp>
-    _GLIBCXX14_DEPRECATED
+    _GLIBCXX17_DEPRECATED
     pair<_Tp*, ptrdiff_t>
     get_temporary_buffer(ptrdiff_t __len) _GLIBCXX_NOEXCEPT
     {