On Thu, Dec 17, 2015 at 5:55 AM, Andrew Pinski <pins...@gmail.com> wrote:
> Hi,
> PR 68948 shows a case which has been broken for a long time and very
> hard to see. So I am recommending that we introduce an assert inside
> the gimplifier if we process an error_mark_node and there was no
> errors or sorrys from the front-end; I will send a patch if there is a
> general feeling that it is a good idea.
>
> Good idea or bad idea? This will prevent cases like PR 68948 from
> happening and make it easier to understand why the wrong code is
> happening.
Where do we let error_mark_node through? We should hit
default:
gcc_unreachable ();
in gimplify_expr.
> Thanks,
> Andrew
