1 2 3 4 5 6 7 8 9 10 11 12 13
// PR c++/94521 // { dg-do compile { target c++20 } } template <typename T> void spam(decltype([]{}) *s) { static_assert(__is_same(int, decltype(s))); // { dg-error "static assertion failed" } } void foo() { spam<int>(nullptr); }