This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21 Core Issues List revision 112b. See http://www.open-std.org/jtc1/sc22/wg21/ for the official list.
[Adopted at the October, 2015 meeting as P0012R1.]
It is not possible to provide an exception-specification for a conversion-type-id, which prevents the result from being used in assignment or initialization of a function pointer with a non-throwing exception-specification. This seems unnecessarily restrictive.
See also issues 1995, 1975, 1946, and 1798.
Additional note, May, 2015:
See also issue 92 and EWG issue 169.