[cfe-dev] different signedness for bitfield 'char' and plain 'char'

[Tim Northover]

> This text was removed by DR739:
>
> http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#739

To be fair, that looks like a C++1y change (made Feb 2012).

Tim.