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// RUN: %clang_cc1 -verify -std=c++11 %s
template<typename T> struct complex {
complex(T = T(), T = T());
void operator+=(complex);
T a, b;
};
void std_example() {
complex<double> z;
z = { 1, 2 };
z += { 1, 2 };
int a, b;
a = b = { 1 };
a = { 1 } = b; // expected-error {{initializer list cannot be used on the left hand side of operator '='}}
a = a + { 4 }; // expected-error {{initializer list cannot be used on the right hand side of operator '+'}}
a = { 3 } * { 4 }; // expected-error {{initializer list cannot be used on the left hand side of operator '*'}} \
expected-error {{initializer list cannot be used on the right hand side of operator '*'}}
}
struct S {
constexpr S(int a, int b) : a(a), b(b) {}
int a, b;
};
struct T {
constexpr int operator=(S s) const { return s.a; }
constexpr int operator+=(S s) const { return s.b; }
};
static_assert((T() = {4, 9}) == 4, "");
static_assert((T() += {4, 9}) == 9, "");
int k1 = T() = { 1, 2 } = { 3, 4 }; // expected-error {{initializer list cannot be used on the left hand side of operator '='}}
int k2 = T() = { 1, 2 } + 1; // expected-error {{initializer list cannot be used on the left hand side of operator '+'}}
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