From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D80A63858434; Thu, 30 Sep 2021 19:16:35 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D80A63858434 From: "iains at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/99710] coroutines: co_yield and co_await should only be allowed in suspension context Date: Thu, 30 Sep 2021 19:16:35 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 10.2.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: iains at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 30 Sep 2021 19:16:36 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99710 --- Comment #2 from Iain Sandoe --- #include struct task { struct promise_type { std::suspend_always initial_suspend(); std::suspend_always final_suspend() noexcept; task get_return_object(); void return_void(); void unhandled_exception(); }; }; task my_coro () { try { } catch (...) { // [expr.await] co_await std::suspend_always{}; // { dg-error "We should have an error here" } } }=