================
@@ -291,6 +318,50 @@ void mixed_coreturn_template2(bool b, T) {
return; // expected-error {{not allowed in coroutine}}
}
+struct promise_handle;
+
+struct Handle : std::coroutine_handle<promise_handle> { // expected-note
4{{not viable}}
+ // expected-note@-1 4{{not viable}}
+ using promise_type = promise_handle;
+};
+
+struct promise_handle {
+ Handle get_return_object() noexcept {
+ { return
Handle(std::coroutine_handle<Handle::promise_type>::from_promise(*this)); }
+ }
+ suspend_never initial_suspend() const noexcept { return {}; }
+ suspend_never final_suspend() const noexcept { return {}; }
+ void return_void() const noexcept {}
+ void unhandled_exception() const noexcept {}
+};
+
+Handle mixed_return_value() {
+ co_await a; // expected-note {{function is a coroutine due to use of
'co_await' here}}
+ return 0; // expected-error {{return statement not allowed in coroutine}}
+ // expected-error@-1 {{no viable conversion from returned value of type}}
+ // CHECK-NOT: error: no viable conversion from returned value of type
+ // CHECK: error: return statement not allowed in coroutine
+ // CHECK: error: no viable conversion from returned value of type
+}
+
+Handle mixed_return_value_return_first(bool b) {
+ if (b) {
+ return 0; // expected-error {{no viable conversion from returned value
of type}}
+ // expected-error@-1 {{return statement not allowed in coroutine}}
----------------
ilya-biryukov wrote:
Could you run `clang-format` over these lines? (E.g. via `git-clang-format` or
"Format Lines" action from VSCode with Clangd installed). The `//
expected-error@-1` should get nicely aligned with the previous lines.
https://github.com/llvm/llvm-project/pull/100985
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