Merging Apple's Objective-C 2.0 compiler changes

[Paolo Bonzini]

On 09/10/2010 03:12 PM, Manuel López-Ibáñez wrote:
> On 10 September 2010 15:00, Steven Bosscher<stevenb.gcc@gmail.com>  wrote:
>> On Fri, Sep 10, 2010 at 2:40 PM, Richard Kenner
>> <kenner@vlsi1.ultra.nyu.edu>  wrote:
>>>>> Some strong way of addressing the concern that this could be used to make
>>>>> proprietary front-ends or proprietary back-ends using part of GCC!
>>>>
>>>> Why is this case different from the existing llvm-gcc?
>>>
>>> It's the question of what one means by "plug-in interface".  If you
>>> view it as no different from the existing llvm-gcc, then you're
>>> basically saying we already HAVE a plug-in interface.  So then what are
>>> we talking about?
>>
>> Obviously not about the same thing.
>>
>> llvm-gcc is GCC front ends with LLVM as a back end.
>>
>> The idea here is clang with GCC as a back end.
>
> They are equivalent in the sense that I would understand why GCC would
> allow the former but it would fight against the latter.

Hmm, my impression was that GCC can mostly gain from clang-gcc, and only 
lose from llvm-gcc...

Paolo