| // RUN: %clang_cc1 -verify -std=c++20 -fsyntax-only %s |
| // RUN: %clang_cc1 -verify -std=c++20 -fsyntax-only %s -fexperimental-new-constant-interpreter |
| |
| struct S { // expected-note {{candidate constructor (the implicit move constructor) not viable: no known conversion from 'int' to 'S &&' for 1st argument}} \ |
| // expected-note {{candidate constructor (the implicit copy constructor) not viable: no known conversion from 'int' to 'const S &' for 1st argument}} |
| int e; |
| }; |
| |
| template<class T> |
| consteval int get_format() { |
| return nullptr; // expected-error {{cannot initialize return object of type 'int' with an rvalue of type 'std::nullptr_t'}} |
| } |
| |
| template<class T> |
| constexpr S f(T) noexcept { |
| return get_format<T>(); // expected-error {{no viable conversion from returned value of type 'int' to function return type 'S'}} |
| } |
| |
| constexpr S x = f(0); // expected-error {{constexpr variable 'x' must be initialized by a constant expression}} \ |
| // expected-note {{in instantiation of function template specialization 'f<int>' requested here}} |