Mercurial > hg > CbC > CbC_gcc

comparison gcc/testsuite/g++.dg/coroutines/coro-missing-ret-void.C @ 145:1830386684a0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents
children
comparison
equal deleted inserted replaced
131:84e7813d76e9 145:1830386684a0
1 // { dg-additional-options "-fsyntax-only -w" }
2
3 #include "coro.h"
4
5 // Diagose missing return_void() in the promise type.
6
7 struct MissingRetVoid {
8 coro::coroutine_handle<> handle;
9 MissingRetVoid () : handle (nullptr) {}
10 MissingRetVoid (coro::coroutine_handle<> handle) : handle (handle) {}
11 struct missing_retvoid {
12 coro::suspend_never initial_suspend() { return {}; }
13 coro::suspend_never final_suspend() { return {}; }
14 MissingRetVoid get_return_object() {
15 return MissingRetVoid (coro::coroutine_handle<missing_retvoid>::from_promise (*this));
16 }
17 void unhandled_exception() { /*std::terminate();*/ };
18 };
19 };
20
21 template<> struct coro::coroutine_traits<MissingRetVoid> {
22 using promise_type = MissingRetVoid::missing_retvoid;
23 };
24
25 MissingRetVoid
26 bar ()
27 {
28 co_return; // { dg-error "no member named .return_void. in" }
29 }
30
31 int main (int ac, char *av[]) {
32 MissingRetVoid x = bar ();
33 return 0;
34 }