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.
According to 126.96.36.199 [expr.unary.noexcept] paragraph 2,
The result of the noexcept operator is a constant of type bool and is an rvalue.
Obviously, the result should be a prvalue.
(See also issue 1642, which deals with missing specifications of value categories.)
Notes from the September, 2013 meeting:
This issue is being handled editorially and is being placed in "review" status to ensure that the change has been made.
Rationale (February, 2014):
The change has been made editorially.