[Bug c++/57644] [C++1y] Cannot bind bitfield to lvalue reference

[emsr at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57644

--- Comment #7 from emsr at gcc dot gnu.org ---
Do you think it's OK to pop this into 4.9 too even though it's slushy?
Do I need to ask any one in particular - or is it obvious?