1 // RUN: %clang_cc1 -verify -std=c++11 %s
2
3 template<typename T> struct complex {
4 complex(T = T(), T = T());
5 void operator+=(complex);
6 T a, b;
7 };
8
std_example()9 void std_example() {
10 complex<double> z;
11 z = { 1, 2 };
12 z += { 1, 2 };
13
14 int a, b;
15 a = b = { 1 };
16 a = { 1 } = b; // expected-error {{initializer list cannot be used on the left hand side of operator '='}}
17 a = a + { 4 }; // expected-error {{initializer list cannot be used on the right hand side of operator '+'}}
18 a = { 3 } * { 4 }; // expected-error {{initializer list cannot be used on the left hand side of operator '*'}} \
19 expected-error {{initializer list cannot be used on the right hand side of operator '*'}}
20 }
21
22 struct S {
SS23 constexpr S(int a, int b) : a(a), b(b) {}
24 int a, b;
25 };
26 struct T {
operator =T27 constexpr int operator=(S s) const { return s.a; }
operator +=T28 constexpr int operator+=(S s) const { return s.b; }
29 };
30 static_assert((T() = {4, 9}) == 4, "");
31 static_assert((T() += {4, 9}) == 9, "");
32
33 int k1 = T() = { 1, 2 } = { 3, 4 }; // expected-error {{initializer list cannot be used on the left hand side of operator '='}}
34 int k2 = T() = { 1, 2 } + 1; // expected-error {{initializer list cannot be used on the left hand side of operator '+'}}
35