[PATCH] Delete addressof for temporaries (LWG 2598)

[Jonathan Wakely]

	* include/bits/move.h (addressof(const _Tp&&)): Add deleted overload,
	as per LWG 2598.

Tested powerpc64le-linux, committed to trunk.

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commit 5eb75d53b4575e736bf295dbdad313a66839bd9b
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Mon Nov 14 03:28:38 2016 +0000

    Delete addressof for temporaries (LWG 2598)
    
    	* include/bits/move.h (addressof(const _Tp&&)): Add deleted overload,
    	as per LWG 2598.

diff --git a/libstdc++-v3/include/bits/move.h b/libstdc++-v3/include/bits/move.h
index a5002fc..d0aefe7 100644
--- a/libstdc++-v3/include/bits/move.h
+++ b/libstdc++-v3/include/bits/move.h
@@ -137,6 +137,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     addressof(_Tp& __r) noexcept
     { return std::__addressof(__r); }
 
+  // _GLIBCXX_RESOLVE_LIB_DEFECTS
+  // 2598. addressof works on temporaries
+  template<typename _Tp>
+    const _Tp* addressof(const _Tp&&) = delete;
+
   // C++11 version of std::exchange for internal use.
   template <typename _Tp, typename _Up = _Tp>
     inline _Tp