[cfe-dev] Fwd: Review of transparent_union patch

[Eli Friedman]

On Mon, Jan 26, 2009 at 11:52 PM, Anders Johnsen <skabet at gmail.com> wrote:
> On Tue, Jan 27, 2009 at 5:21 AM, Eli Friedman <eli.friedman at gmail.com> wrote:
>> On Mon, Jan 26, 2009 at 11:45 AM, Anders Johnsen <skabet at gmail.com> wrote:
>>>> Something like the following:
>>>> struct x {int x; int* y;};
>>>> typedef struct x a __attribute((transparent_union));
>>>>
>>>> This isn't valid, but it looks like your patch accepts it.
>>>
>>> I just tested this, and it looks like it worked:
>>
>> Oh, oops, make that "union x".
>
> gcc does't complain. I'm not sure if i should do anything? Where have
> you read that it shouldn't allow such things?

Hmm, I don't remember the details... if gcc accepts it, I suppose I
must be mistaken.

-Eli