https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111272
Jiang An <de34 at live dot cn> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |de34 at live dot cn --- Comment #3 from Jiang An <de34 at live dot cn> --- Due to P2448R2 (https://wg21.link/p2448r2), the posted example is totally valid since C++23.