https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120446
--- Comment #2 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Patrick Palka <[email protected]>: https://gcc.gnu.org/g:cbdbbdd1fccfd789e6fbcb37b1b602bb7482de4b commit r16-5920-gcbdbbdd1fccfd789e6fbcb37b1b602bb7482de4b Author: Patrick Palka <[email protected]> Date: Fri Dec 5 13:43:26 2025 -0500 libstdc++: Consolidate bullet 1 __common_reference_impl partial specs ... and in passing use requires-clauses instead of void_t based SFINAE. This is a non-functional change that'll simplify implementing the P2655R3 change to common_reference. PR c++/120446 libstdc++-v3/ChangeLog: * include/std/type_traits (__common_reference_impl): Rewrite partial specializations to use requires-clause instead of an additional void_t template parameter. Consolidate the partial specializations corresponding to bullet 1. Reviewed-by: Tomasz KamiÅski <[email protected]> Reviewed-by: Jonathan Wakely <[email protected]>
