[cfe-dev] Patch for ContextDecl

[Argiris Kirtzidis]

>>> That is a 6.1% slowdown on carbon.h and 4% slowdown on Cocoa.h.   
>>> The number on this machine are very stable, three consecutive runs 
>>> all produced the same timings.  While I really would like to have 
>>> the cleanup, I don't think the cost is worth it.  When coming from a 
>>> .i file (to reduce syscall/preprocessor overhead) the slowdown is 
>>> 8.4% for carbon.h (0.119s -> 0.129s).
>>>
>>> What do you think?  If you want, I can provide you with a .i file of 
>>> cocoa.h or carbon.h.
>> Yes, that would be great! I wanted to test on something but couldn't 
>> find something appropriate.
>
> Here ya go:
>
> http://nondot.org/sabre/misc
>
> -Chris

Can you try again with the attached patch ?
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