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