[Bug libstdc++/65543] rvalue stream insertion and extraction operators incorrectly implemented

[paolo.carlini at oracle dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65543

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2015-03-24
                 CC|                            |jakub at gcc dot gnu.org
           Assignee|unassigned at gcc dot gnu.org      |paolo.carlini at oracle dot com
   Target Milestone|---                         |5.0
     Ever confirmed|0                           |1

--- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Strictly speaking this isn't a regression but I think the fix is trivial enough
to go in now (matter of reverting a dumb commit of mine dating back to August,
2009, r150387). I'm testing:

Index: include/std/istream
===================================================================
--- include/std/istream    (revision 221642)
+++ include/std/istream    (working copy)
@@ -922,7 +922,10 @@
   template<typename _CharT, typename _Traits, typename _Tp>
     inline basic_istream<_CharT, _Traits>&
     operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x)
-    { return (__is >> __x); }
+    { 
+      __is >> __x;
+      return __is;
+    }
 #endif // C++11

 _GLIBCXX_END_NAMESPACE_VERSION
Index: include/std/ostream
===================================================================
--- include/std/ostream    (revision 221642)
+++ include/std/ostream    (working copy)
@@ -626,7 +626,10 @@
   template<typename _CharT, typename _Traits, typename _Tp>
     inline basic_ostream<_CharT, _Traits>&
     operator<<(basic_ostream<_CharT, _Traits>&& __os, const _Tp& __x)
-    { return (__os << __x); }
+    {
+      __os << __x;
+      return __os;
+    }
 #endif // C++11

 _GLIBCXX_END_NAMESPACE_VERSION