| // This test merely verifies that emitting the object file does not cause a |
| // crash when the LLVM coroutines passes are run. |
| // PR42867: Disable this test for the new PM since the passes that lower the |
| // llvm.coro.* intrinsics have not yet been ported. |
| // RUN: %clang_cc1 -fno-experimental-new-pass-manager -emit-obj -std=c++2a -fsanitize=null %s -o %t.o |
| |
| namespace std::experimental { |
| template <typename R, typename... T> struct coroutine_traits { |
| using promise_type = typename R::promise_type; |
| }; |
| |
| template <class Promise = void> struct coroutine_handle; |
| template <> struct coroutine_handle<void> { |
| static coroutine_handle from_address(void *) noexcept; |
| coroutine_handle() = default; |
| template <class PromiseType> |
| coroutine_handle(coroutine_handle<PromiseType>) noexcept; |
| }; |
| template <class Promise> struct coroutine_handle : coroutine_handle<void> { |
| coroutine_handle() = default; |
| static coroutine_handle from_address(void *) noexcept; |
| }; |
| } |
| |
| struct suspend_always { |
| bool await_ready() noexcept; |
| void await_suspend(std::experimental::coroutine_handle<>) noexcept; |
| void await_resume() noexcept; |
| }; |
| |
| struct task { |
| struct promise_type { |
| task get_return_object() { return task(); } |
| suspend_always initial_suspend() { return {}; } |
| suspend_always final_suspend() { return {}; } |
| void return_void() {} |
| void unhandled_exception() {} |
| }; |
| }; |
| |
| struct awaitable { |
| task await() { (void)co_await *this; } |
| bool await_ready() { return false; } |
| bool await_suspend(std::experimental::coroutine_handle<> awaiter) { return false; } |
| bool await_resume() { return false; } |
| }; |
| |
| int main() { |
| awaitable a; |
| a.await(); |
| } |