Revert "Merge to upstream r304942."

This reverts commit 83b1388ecd, reversing
changes made to f20819f925.

Test: treehugger
Bug: None

test/std/input.output/file.streams/fstreams/fstream.cons/move.pass.cpp

@@ -7,8 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++98, c++03
-
 // <fstream>
 
 // template <class charT, class traits = char_traits<charT> >
@@ -22,6 +20,7 @@
 
 int main()
 {
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     std::string temp = get_temp_file_name();
     {
         std::fstream fso(temp, std::ios_base::in | std::ios_base::out
@@ -45,4 +44,5 @@ int main()
         assert(x == 3.25);
     }
     std::remove(temp.c_str());
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 }