| 1 | // RUN: %clang_cc1 -verify -std=c++11 %s |
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| 2 | |
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| 3 | template<typename T> struct complex { |
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| 4 | complex(T = T(), T = T()); |
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| 5 | void operator+=(complex); |
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| 6 | T a, b; |
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| 7 | }; |
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| 8 | |
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| 9 | void std_example() { |
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| 10 | complex<double> z; |
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| 11 | z = { 1, 2 }; |
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| 12 | z += { 1, 2 }; |
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| 13 | |
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| 14 | int a, b; |
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| 15 | a = b = { 1 }; |
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| 16 | a = { 1 } = b; // expected-error {{initializer list cannot be used on the left hand side of operator '='}} |
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| 17 | a = a + { 4 }; // expected-error {{initializer list cannot be used on the right hand side of operator '+'}} |
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| 18 | a = { 3 } * { 4 }; // expected-error {{initializer list cannot be used on the left hand side of operator '*'}} \ |
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| 19 | expected-error {{initializer list cannot be used on the right hand side of operator '*'}} |
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| 20 | } |
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| 21 | |
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| 22 | struct S { |
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| 23 | constexpr S(int a, int b) : a(a), b(b) {} |
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| 24 | int a, b; |
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| 25 | }; |
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| 26 | struct T { |
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| 27 | constexpr int operator=(S s) const { return s.a; } |
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| 28 | constexpr int operator+=(S s) const { return s.b; } |
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| 29 | }; |
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| 30 | static_assert((T() = {4, 9}) == 4, ""); |
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| 31 | static_assert((T() += {4, 9}) == 9, ""); |
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| 32 | |
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| 33 | int k1 = T() = { 1, 2 } = { 3, 4 }; // expected-error {{initializer list cannot be used on the left hand side of operator '='}} |
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| 34 | int k2 = T() = { 1, 2 } + 1; // expected-error {{initializer list cannot be used on the left hand side of operator '+'}} |
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| 35 | |
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