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.
[Moved to DR at the April, 2013 meeting.]
In constructing an initializer_list object from an initializer list, 9.4.5 [dcl.init.list] paragraph 5 says of the underlying array,
Each element of that array is copy-initialized with the corresponding element of the initializer list
It would probably be good to mention that the copy/move constructor for this copy must be accessible in the context in which the initialization occurs.
Proposed resolution (October, 2012):
Change 9.4.5 [dcl.init.list] paragraph 4 as follows:
...Each element of that array is copy-initialized with the corresponding element of the initializer list, and the std::initializer_list<E> object is constructed to refer to that array. If a narrowing conversion is required...