[cfe-commits] r115713 - in /cfe/trunk: lib/Sema/SemaType.cpp test/Sema/typeof-use-deprecated.c
jahanian
fjahanian at apple.com
Wed Oct 6 10:07:11 PDT 2010
On Oct 5, 2010, at 5:34 PM, John McCall wrote:
>
> On Oct 5, 2010, at 5:26 PM, jahanian wrote:
>
>>
>> On Oct 5, 2010, at 5:19 PM, John McCall wrote:
>>
>>>>
>>>
>>> I agree that if we want to warn here, we should at least warn about deprecated typedefs. But my preference would be to not warn here at all.
>>
>> Agreed. Actually, gcc does that too (please see my followup email).
>
> I don't see this at all. gcc seems to look through typedefs and warn based on the underlying type's deprecatedness, unfortunately using the name of the typedef.
I was trying to say the same think that you observed about gcc.
In any case, this is all done in clang to match gcc's behavior.
In r115800.
- Fariborz
>
> So this typeof produces a warning (misleadingly talking about 'bar'):
> struct foo { int x; } __attribute__((deprecated));
> typedef struct foo bar __attribute__((deprecated));
> bar x;
> int main() { typeof(x) y; }
>
> But this one doesn't:
> struct foo { int x; };
> typedef struct foo bar __attribute__((deprecated));
> bar x;
> int main() { typeof(x) y; }
>
> John.
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