forked from OSchip/llvm-project
30 lines
1.7 KiB
C++
30 lines
1.7 KiB
C++
// RUN: %clang_cc1 -std=c++20 -fsyntax-only -verify %s
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consteval int Fun() { return; } // expected-error {{non-void consteval function 'Fun' should return a value}}
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template <typename T> consteval int FunT1() { return; } // expected-error {{non-void consteval function 'FunT1' should return a value}}
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template <typename T> consteval int FunT2() { return 0; }
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template <> consteval int FunT2<double>() { return 0; }
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template <> consteval int FunT2<int>() { return; } // expected-error {{non-void consteval function 'FunT2<int>' should return a value}}
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enum E {};
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constexpr E operator+(E,E) { return; } // expected-error {{non-void constexpr function 'operator+' should return a value}}
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consteval E operator+(E,E) { return; } // expected-error {{non-void consteval function 'operator+' should return a value}}
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template <typename T> constexpr E operator-(E,E) { return; } // expected-error {{non-void constexpr function 'operator-' should return a value}}
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template <typename T> consteval E operator-(E,E) { return; } // expected-error {{non-void consteval function 'operator-' should return a value}}
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template <typename T> constexpr E operator*(E,E);
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template <typename T> consteval E operator/(E,E);
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template <> constexpr E operator*<int>(E,E) { return; } // expected-error {{non-void constexpr function 'operator*<int>' should return a value}}
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template <> consteval E operator/<int>(E,E) { return; } // expected-error {{non-void consteval function 'operator/<int>' should return a value}}
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consteval void no_return() {}
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consteval void with_return() { return; }
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consteval void with_return_void() { return void(); }
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void use_void_fn() {
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no_return();
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with_return();
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with_return_void();
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}
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