https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92156
Takatoshi Kondo <redboltz at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |redboltz at gmail dot com --- Comment #1 from Takatoshi Kondo <redboltz at gmail dot com> --- I've got a similar error on the following code: [begin code] #include <tuple> #include <any> int main() { // std::pair : OK std::any p = std::pair<std::any, std::any>(1, 1); (void)p; // std::tuple : ill formed std::any t = std::tuple<std::any>(1); (void)t; } [end code] On Compiler Explorer: https://godbolt.org/z/gEHRmA