This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21 Core Issues List revision 112e. See http://www.open-std.org/jtc1/sc22/wg21/ for the official list.
[Accepted as a DR at the March, 2018 (Jacksonville) meeting.]
According to 11.4.10 [class.bit] paragraph 2, unnamed bit-fields are not members, but there does not appear to be a prohibition against their being declared volatile. Is this intended?
Proposed resolution (November, 2017)
Change 11.4.10 [class.bit] paragraph 2 as follows:
A declaration for a bit-field that omits the identifier declares an unnamed bit-field. Unnamed bit-fields are not members and cannot be initialized. [Note: An unnamed bit-field is useful for padding...