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145
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1 // { dg-additional-options "-fsyntax-only -w" }
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2
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3 #include "coro.h"
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4
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5 // Diagose missing return_void() in the promise type.
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6
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7 struct MissingRetVoid {
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8 coro::coroutine_handle<> handle;
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9 MissingRetVoid () : handle (nullptr) {}
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10 MissingRetVoid (coro::coroutine_handle<> handle) : handle (handle) {}
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11 struct missing_retvoid {
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12 coro::suspend_never initial_suspend() { return {}; }
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13 coro::suspend_never final_suspend() { return {}; }
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14 MissingRetVoid get_return_object() {
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15 return MissingRetVoid (coro::coroutine_handle<missing_retvoid>::from_promise (*this));
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16 }
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17 void unhandled_exception() { /*std::terminate();*/ };
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18 };
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19 };
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20
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21 template<> struct coro::coroutine_traits<MissingRetVoid> {
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22 using promise_type = MissingRetVoid::missing_retvoid;
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23 };
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24
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25 MissingRetVoid
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26 bar ()
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27 {
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28 co_return; // { dg-error "no member named .return_void. in" }
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29 }
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30
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31 int main (int ac, char *av[]) {
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32 MissingRetVoid x = bar ();
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33 return 0;
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34 }
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