1 // PR c++/91353 - P1331R2: Allow trivial default init in constexpr contexts.
2 // { dg-do compile { target c++20 } }
19 return __extension__ ({ int n; n; }); // { dg-error "not usable in a constant expression" }
22 constexpr int i = fn2 (); // { dg-message "in .constexpr. expansion of" }