Remove non-standard std::copy_exception function

	* libsupc++/exception_ptr.h (copy_exception): Remove deprecated
	non-standard function.

From-SVN: r253011

libstdc++-v3/ChangeLog

 2017-09-20  Jonathan Wakely  <jwakely@redhat.com>
 
+	* libsupc++/exception_ptr.h (copy_exception): Remove deprecated
+	non-standard function.
+
 	PR libstdc++/82262
 	* include/std/optional (__optional_hash_call_base): Add template
 	parameter for remove_const_t<_Tp> and use it consistently.

libstdc++-v3/libsupc++/exception_ptr.h

@@ -201,19 +201,6 @@ namespace std
 #endif
     }
 
-  // _GLIBCXX_RESOLVE_LIB_DEFECTS
-  // 1130. copy_exception name misleading
-  /// Obtain an exception_ptr pointing to a copy of the supplied object.
-  /// This function is deprecated, use std::make_exception_ptr instead.
-  template<typename _Ex>
-    exception_ptr
-    copy_exception(_Ex __ex) _GLIBCXX_USE_NOEXCEPT _GLIBCXX_DEPRECATED;
-
-  template<typename _Ex>
-    exception_ptr
-    copy_exception(_Ex __ex) _GLIBCXX_USE_NOEXCEPT
-    { return std::make_exception_ptr<_Ex>(__ex); }
-
   // @} group exceptions
 } // namespace std