Hi Jason, > On 18 Nov 2021, at 23:42, Iain Sandoe <i...@sandoe.co.uk> wrote: > > > >> On 18 Nov 2021, at 22:13, Jason Merrill via Gcc-patches >> <gcc-patches@gcc.gnu.org> wrote: >> >> On 11/5/21 11:46, Iain Sandoe wrote: >>> The way in which a C++20 coroutine is specified discards any value
>>> tree aw_r = TREE_VEC_ELT (vec, 2); >>> + if (!VOID_TYPE_P (TREE_TYPE (aw_r))) >>> + aw_r = build1 (CONVERT_EXPR, void_type_node, aw_r); >> >> Is there a reason not to use convert_to_void? > > no, just me still learning APIs… I’ll do a revised and check it. So I’m testing this replacement: aw_r = convert_to_void (aw_r, ICV_CAST, tf_warning_or_error); OK if the testing succeeds? Iain