Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/coroutines/coro-missing-gro.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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// { dg-additional-options "-fsyntax-only -w" } // Diagose missing get_return_object() in the promise type. #include "coro.h" struct MissingGRO { coro::coroutine_handle<> handle; MissingGRO () : handle (nullptr) {} MissingGRO (coro::coroutine_handle<> handle) : handle (handle) {} struct missing_gro { coro::suspend_never initial_suspend() { return {}; } coro::suspend_never final_suspend() { return {}; } void return_void () {} void unhandled_exception() { /*std::terminate();*/ }; }; }; template<> struct coro::coroutine_traits<MissingGRO> { using promise_type = MissingGRO::missing_gro; }; MissingGRO bar () // { dg-error {no member named 'get_return_object' in} } { co_return; } int main (int ac, char *av[]) { MissingGRO x = bar (); return 0; }