Ok.
On Thu, Feb 23, 2017 at 6:02 AM, Paolo Carlini <paolo.carl...@oracle.com> wrote:
> Hi,
>
> in this error recovery regression, we ICE after (a lot after) a sensible
> diagnostic, when lower_function_body encounters an error_mark_node. I worked
> quite a bit on the issue, and, all in all, I propose to simply check the
> return value of duplicate_decls as called by register_specialization and
> bail out.
>
> In principle it may make sense to continue and, for example, also emit
> diagnostic about '= default' making sense only for special member functions
> - returning spec instead of error_mark_node would achieve that without
> regressions for the second testcase - but I'm not sure we want to do this
> kind of change right here right now together with fixing the ICE, because we
> do *not* emit additional diagnostic in the non-template case, eg for:
>
> void foo(int) {}
> void foo(int) = default;
>
> Tested x86_64-linux.
>
> Thanks, Paolo.
>
> /////////////////////
>
>
