id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
11991	Application crashes when yield/resume an coroutine after handing an exception	misko.pawel@…	chris_kohlhoff	"
{{{
#include <iostream>
#include <stdexcept>
#include <thread>
#include <boost/asio/io_service.hpp>
#include <boost/asio/spawn.hpp>

int main()
{
    using namespace boost::asio;
    using std::chrono::seconds;
    using yield_completion_t = detail::async_result_init< yield_context, void () >;

    io_service ios;

    spawn( ios, [&ios]( auto yield )
    {
        try
        {
            throw std::runtime_error{ """" };
        }
        catch( ... )
        {
            std::cerr << ""[1] "" << std::endl;

            yield_completion_t completion{ yield_context{ yield } };
            auto handler = completion.handler;

            ios.post( [=]
            {
                std::this_thread::sleep_for( seconds{ 1 } );

                asio_handler_invoke( handler, &handler );
            } );

            completion.result.get();

            std::cerr << ""[2] "" << std::endl;
        }

    } );

    // needs more than one thread
    std::thread t{ [&]{ ios.run(); } };

    ios.run();
    t.join();

    return 0;
}
}}}
Prints:
{{{
[1]
[2]
}}}

and crashes.

Debugger points to `_FindAndUnlinkFrame` (inside `trnsctrl.cpp` file): `pCurFrameInfo->pNext` causes AV because pCurFrameInfo is null.

VS 2015, Win7"	Bugs	new	To Be Determined	asio	Boost 1.61.0	Problem		asio coroutine windows Visual Studio 2015