Stops rvalue references from binding to lvalues, closing the safety hole that let T&& silently steal from named objects. 'except 20.2.2 forward/move helpers' (motion as amended: except section '20.2.2 forward/move helpers [forward]'); full title 'Fixing a Safety Problem with Rvalue References: Proposed Wording (Revision 1)'.
Other papers in Rvalue references & move semantics
N2118A Proposal to Add an Rvalue Reference to the C++ Language: Proposed Wording: Revision 3Portland 2006N2439Extending Move Semantics to *thisKona 2007N3053Defining Move Special Member FunctionsPittsburgh 2010N3055A Taxonomy of Expression Value CategoriesPittsburgh 2010N3203Tightening the conditions for generating implicit movesBatavia 2010All 6 papers in Rvalue references & move semantics →