------- Comment #1 from rguenth at gcc dot gnu dot org 2009-03-24 11:20 ------- These are GNU extensions not appropriate for a ISO C++ header file (the standard lists which functions are to be made available in the std namespace). So at most they could be added to the __gnucxx namespace?
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39542
