35 lines · cpp
1// RUN: %clang_cc1 -verify -std=c++11 %s2 3template<typename T> struct complex {4 complex(T = T(), T = T());5 void operator+=(complex);6 T a, b;7};8 9void 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 22struct S {23 constexpr S(int a, int b) : a(a), b(b) {}24 int a, b;25};26struct T {27 constexpr int operator=(S s) const { return s.a; }28 constexpr int operator+=(S s) const { return s.b; }29};30static_assert((T() = {4, 9}) == 4, "");31static_assert((T() += {4, 9}) == 9, "");32 33int k1 = T() = { 1, 2 } = { 3, 4 }; // expected-error {{initializer list cannot be used on the left hand side of operator '='}}34int k2 = T() = { 1, 2 } + 1; // expected-error {{initializer list cannot be used on the left hand side of operator '+'}}35