Merge branch 'develop'

Author: olk

test/test_symmetric_coroutine.cpp

@@ -597,7 +597,6 @@ boost::unit_test::test_suite * init_unit_test_suite( int, char* [])
     test->add( BOOST_TEST_CASE( & test_yield_to_int) );
     test->add( BOOST_TEST_CASE( & test_yield_to_ref) );
     test->add( BOOST_TEST_CASE( & test_yield_to_different) );
-    test->add( BOOST_TEST_CASE( & test_yield_to_different) );
     test->add( BOOST_TEST_CASE( & test_move_coro) );
     test->add( BOOST_TEST_CASE( & test_vptr) );