This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21 Core Issues List revision 108i. See http://www.open-std.org/jtc1/sc22/wg21/ for the official list.

2022-07-16


1313. Undefined pointer arithmetic in constant expressions

Section: 7.7  [expr.const]     Status: CD3     Submitter: Jens Maurer     Date: 2011-05-07

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

The requirements for constant expressions do not currently, but should, exclude expressions that have undefined behavior, such as pointer arithmetic when the pointers do not point to elements of the same array.

Proposed resolution (August, 2011):

Change 7.7 [expr.const] paragraph 2 as follows: