This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21 Core Issues List revision 117a. See http://www.open-std.org/jtc1/sc22/wg21/ for the official list.

2025-04-22


3020. Missing specification for __has_cpp_attribute(indeterminate)

Section: 15.2  [cpp.cond]     Status: tentatively ready     Submitter: Tim Song     Date: 2025-03-26

(From submission #695.)

P2795R5 (approved in March, 2024) should, but does not, update the definition of __has_cpp_attribute for the new attribute it added.

Proposed resolution (no objections during CWG reflector review starting 2025-03-31):

Add a row to 15.2 [cpp.cond], table [tab:cpp.cond.ha], as follows:

Attribute Value
indeterminate 202403L