> On May 25, 2023, at 5:02 PM, Joseph Myers <jos...@codesourcery.com> wrote:
>
> What happens if the field giving the number of elements is in a contained
> anonymous structure or union?
>
> struct s {
> struct { size_t count; };
> int array[] __attribute__ ((element_count ("count")));
> };
>
> This ought to work - a general principle in C is that anonymous structures
> and unions are transparent as far as name lookup for fields is concerned.
> But I don't see any testcases for it and I'm not sure it would work with
> the present code.
Will check on this and add testing case for this case.
>
> What if the string is a wide string? I don't expect that to work (either
> as a matter of interface design, or in the present code), but I think that
> case should have a specific check and error.
Dump question: how to check whether the string is a wide string? -:)
>
> What happens in the case where -fexec-charset specifies a
> non-ASCII-compatible character set? I expect that to work OK with the
> existing code, because translation of string literals to the execution
> character set is disabled in __attribute__ parsing, but having a testcase
> for it would be good.
Okay, will check on this and add test case.
>
> What happens if the field referenced for the element count does not have
> integer type? I'd expect an error, but don't see one in the code or tests
> here.
Yes, that’s right, will add this.
Thanks a lot.
Qing
>
> --
> Joseph S. Myers
> jos...@codesourcery.com
