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.
[Adopted at the February, 2016 meeting.]
There does not appear to be a rule to disambiguate a pure-specifier and a brace-or-equal-initializer in a member declarator.
Proposed resolution (February, 2016):
Add the following as a new paragraph following 11.4 [class.mem] paragraph 3:
[Note: A single name can denote several function members provided their types are sufficiently different (Clause 12 [over]). —end note]