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// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
void fn() = default; // expected-error {{only special member}}
struct foo {
void fn() = default; // expected-error {{only special member}}
foo() = default;
foo(const foo&) = default;
foo(foo&) = default;
foo& operator = (const foo&) = default;
foo& operator = (foo&) = default;
~foo() = default;
};
struct bar {
bar();
bar(const bar&);
bar(bar&);
bar& operator = (const bar&);
bar& operator = (bar&);
~bar();
};
bar::bar() = default;
bar::bar(const bar&) = default;
bar::bar(bar&) = default;
bar& bar::operator = (const bar&) = default;
bar& bar::operator = (bar&) = default;
bar::~bar() = default;
static_assert(__is_trivial(foo), "foo should be trivial");
static_assert(!__has_trivial_destructor(bar), "bar's destructor isn't trivial");
static_assert(!__has_trivial_constructor(bar),
"bar's default constructor isn't trivial");
static_assert(!__has_trivial_copy(bar), "bar has no trivial copy");
static_assert(!__has_trivial_assign(bar), "bar has no trivial assign");
void tester() {
foo f, g(f);
bar b, c(b);
f = g;
b = c;
}
template<typename T> struct S : T {
constexpr S() = default;
constexpr S(const S&) = default;
constexpr S(S&&) = default;
};
struct lit { constexpr lit() {} };
S<lit> s_lit; // ok
S<bar> s_bar; // ok
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