This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21 Core Issues List revision 110b. See http://www.open-std.org/jtc1/sc22/wg21/ for the official list.

2023-01-15


1364. constexpr function parameters

Section: 7.7  [expr.const]     Status: CD3     Submitter: Sean Hunt     Date: 2011-08-17

[Voted into the WP at the February, 2012 meeting; moved to DR at the October, 2012 meeting.]

Use of a parameter in a constexpr function appears to be ill-formed, because the lvalue-to-rvalue conversion on the parameter is not one of those permitted in a constant expression.

Proposed resolution (August, 2011):

  1. Change the indicated bullet of 7.7 [expr.const] paragraph 2 as follows:

  2. Delete the final bullet of 9.2.6 [dcl.constexpr] paragraph 3 and move the deleted "." to the preceding sub-bullet:

  3. Delete the final bullet of 9.2.6 [dcl.constexpr] paragraph 4 and change the preceding bullet as follows: