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25 lines
963 B
25 lines
963 B
// RUN: %clang_cc1 -std=c++2a -verify %s
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template<int> struct X {};
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X<1> operator<<(X<0>, X<0>);
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X<2> operator<=>(X<0>, X<1>);
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X<2> operator<=>(X<1>, X<0>);
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X<3> operator<(X<0>, X<2>);
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X<3> operator<(X<2>, X<0>);
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void f(X<0> x0, X<1> x1) {
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X<2> a = x0 <=> x0 << x0;
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X<2> b = x0 << x0 <=> x0; // expected-warning {{overloaded operator << has higher precedence than comparison operator}} expected-note 2{{}}
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X<3> c = x0 < x0 <=> x1;
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X<3> d = x1 <=> x0 < x0;
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X<3> e = x0 < x0 <=> x0 << x0;
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X<3> f = x0 << x0 <=> x0 < x0; // expected-warning {{overloaded operator << has higher precedence than comparison operator}} expected-note 2{{}}
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}
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struct PR41991 {
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[[nodiscard]] friend bool operator==(const PR41991&, const PR41991&) = default;
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[[nodiscard]] friend bool operator!=(const PR41991&, const PR41991&) = delete;
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[[nodiscard]] friend bool operator<(const PR41991&, const PR41991&); // expected-error {{an attribute list cannot appear here}}
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};
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