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 | |