llvm-project/clang/test/SemaCXX/coroutine-mixed-exp-namespa...

28 lines
1.0 KiB
C++

// This file is to test the mixed use of `std::experimental::coroutine*` and `std::coroutine*`
// wouldn't make the compliler to crash and emit the diagnostic message correctly.
// RUN: %clang_cc1 -verify -std=c++20 -fsyntax-only %s
#include "Inputs/std-coroutine-exp-namespace.h"
#include "Inputs/std-coroutine.h"
struct my_awaitable {
bool await_ready() noexcept;
void await_suspend(std::experimental::coroutine_handle<> coro) noexcept;
void await_resume() noexcept;
};
struct promise_void {
void get_return_object();
my_awaitable initial_suspend();
my_awaitable final_suspend() noexcept;
void return_void();
void unhandled_exception();
};
template <>
struct std::coroutine_traits<void> { using promise_type = promise_void; };
void test() {
co_return; // expected-error {{Found mixed use of std namespace and std::experimental namespace for coroutine, which is disallowed. The coroutine components in std::experimental namespace is deprecated. Please use coroutine components under std namespace.}}
}