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// P1102R2 - Down with ()!
// { dg-do compile { target c++11 } }
// { dg-options "" }
void
foo ()
{
auto a = [] mutable {}; // { dg-warning "parameter declaration before lambda declaration specifiers only optional with" "" { target c++20_down } }
#if __cpp_constexpr >= 201603L
auto b = [] constexpr {}; // { dg-warning "parameter declaration before lambda declaration specifiers only optional with" "" { target { c++17 && c++20_down } } }
#endif
#if __cpp_consteval >= 201811L
auto c = [] consteval {}; // { dg-warning "parameter declaration before lambda declaration specifiers only optional with" "" { target c++20_only } }
#endif
auto d = [] throw() {}; // { dg-warning "parameter declaration before lambda exception specification only optional with" "" { target c++20_down } }
auto e = [] noexcept {}; // { dg-warning "parameter declaration before lambda exception specification only optional with" "" { target c++20_down } }
auto f = [] -> int { return 0; }; // { dg-warning "parameter declaration before lambda trailing return type only optional with" "" { target c++20_down } }
}
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