[PATCH] Emit the DIType for ObjC 'id<protocol>' as 'id' rather than objc_object* (fixes rdar://problem/12601916)

[jahanian]

If Eric is OK with debug info. issues, go ahead check it in.
- Fariborz

On Feb 21, 2013, at 10:50 AM, Adrian Prantl <aprantl at apple.com> wrote:

> 
> On Feb 21, 2013, at 10:07 AM, jahanian <fjahanian at apple.com> wrote:
> 
>> +  // The frontend treats 'id' as a typedef to an ObjCObjectType,
>> +  // whereas 'id<protocol>' is treated as an ObjCPointerType. For the
>> +  // debug info, we want to emit 'id' in both cases.
>> +  QualType PointeeType = Ty->getPointeeType();
>> +  if (const ObjCObjectType *Obj = dyn_cast<ObjCObjectType>(PointeeType))
>> +    if (Obj->isObjCId() && (Obj->getNumProtocols() > 0)) {
>> +      return getOrCreateType(CGM.getContext().getObjCIdType(), Unit);
>> +    }
>> 
>> Please use isObjCQualifiedIdType instead.
>> 
> 
> That makes the patch even simpler!
> 
> thanks,
> adrian
> 
> <0001-Emit-the-DIType-for-ObjC-id-protocol-as-id-rather-th.patch>
>