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// RUN: %clang_cc1 -std=c++20 -verify %s -fcxx-exceptions -fexceptions -triple x86_64-windows-msvc -fms-extensions
namespace std {
template <typename... T> struct coroutine_traits;
template <class Promise = void> struct coroutine_handle {
coroutine_handle() = default;
static coroutine_handle from_address(void *) noexcept;
};
template <> struct coroutine_handle<void> {
static coroutine_handle from_address(void *) noexcept;
coroutine_handle() = default;
template <class PromiseType>
coroutine_handle(coroutine_handle<PromiseType>) noexcept;
};
} // namespace std
struct suspend_always {
bool await_ready() noexcept;
void await_suspend(std::coroutine_handle<>) noexcept;
void await_resume() noexcept;
};
template <> struct std::coroutine_traits<void> {
struct promise_type {
void get_return_object() noexcept;
suspend_always initial_suspend() noexcept;
suspend_always final_suspend() noexcept;
void return_void() noexcept;
void unhandled_exception() noexcept;
};
};
void SEH_used() {
__try { // expected-error {{cannot use SEH '__try' in a coroutine when C++ exceptions are enabled}}
co_return; // expected-note {{function is a coroutine due to use of 'co_return' here}}
} __except(0) {}
}
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