[c++-concepts] bitfield reference bugfix

[Jason Merrill]

On 10/22/2013 08:54 AM, Andrew Sutton wrote:
> This fixes the longstanding problem with bitfield references. The
> default dialect was set to cxx1y, which was resulting different
> conversions for bitfield references. I'm not sure if there's a change
> in semantics for 1y or if that's a separate bug, but it's not related
> to concepts.

Sounds like a bug.  OK.

Jason