| 1 | // RUN: %clang_cc1 -std=c++1z -fcoroutines-ts -verify %s -fcxx-exceptions -fexceptions -triple x86_64-windows-msvc -fms-extensions |
| 2 | namespace std::experimental { |
| 3 | template <typename... T> struct coroutine_traits; |
| 4 | |
| 5 | template <class Promise = void> struct coroutine_handle { |
| 6 | coroutine_handle() = default; |
| 7 | static coroutine_handle from_address(void *) noexcept; |
| 8 | }; |
| 9 | template <> struct coroutine_handle<void> { |
| 10 | static coroutine_handle from_address(void *) noexcept; |
| 11 | coroutine_handle() = default; |
| 12 | template <class PromiseType> |
| 13 | coroutine_handle(coroutine_handle<PromiseType>) noexcept; |
| 14 | }; |
| 15 | } |
| 16 | |
| 17 | struct suspend_always { |
| 18 | bool await_ready() noexcept; |
| 19 | void await_suspend(std::experimental::coroutine_handle<>) noexcept; |
| 20 | void await_resume() noexcept; |
| 21 | }; |
| 22 | |
| 23 | template <> struct std::experimental::coroutine_traits<void> { |
| 24 | struct promise_type { |
| 25 | void get_return_object() noexcept; |
| 26 | suspend_always initial_suspend() noexcept; |
| 27 | suspend_always final_suspend() noexcept; |
| 28 | void return_void() noexcept; |
| 29 | void unhandled_exception() noexcept; |
| 30 | }; |
| 31 | }; |
| 32 | |
| 33 | void SEH_used() { |
| 34 | __try { // expected-error {{cannot use SEH '__try' in a coroutine when C++ exceptions are enabled}} |
| 35 | co_return; // expected-note {{function is a coroutine due to use of 'co_return' here}} |
| 36 | } __except(0) {} |
| 37 | } |
| 38 | |