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 February, 2014 meeting.]
According to 126.96.36.199 [dcl.fct.default] paragraph 9,
Default arguments are evaluated each time the function is called.
Obviously, what was intended by this is that the default argument is evaluated only if no corresponding actual argument is provided, but this could be read as indicating that the default argument is evaluated and discarded by every function call.
Proposed resolution (January, 2014):
Change 188.8.131.52 [dcl.fct.default] paragraph 9 as follows:
Default arguments areevaluated each time the function is called . The order of evaluation...