Guy,

I do not believe that the spec requires that size_t be a keyword/built in type. 
So adding this to Clang is not a required part of the language. The spec only 
has one real constraint to size_t that I can find, which is the error you have 
added. This could be implemented another way that doesn't require that size_t 
be a builtin type. It is not ideal, but there is an option.

I think making this a builtin type may have implications that this patch does 
not cover (i.e. promotion and conversion rules), in addition to just more bloat 
to the compiler.

I'm leaning towards it not being a built in type.

-Tanya



On Feb 6, 2013, at 12:13 PM, "Benyei, Guy" <[email protected]> wrote:

> Thanks Joey.
> Any other comments about this fix, or should I go and commit it?
> 
> Thanks
>   Guy Benyei
> 
> -----Original Message-----
> From: Joey Gouly [mailto:[email protected]] 
> Sent: Tuesday, February 05, 2013 16:35
> To: Benyei, Guy; [email protected]
> Subject: RE: [Patch]OpenCL size_t and ptrdiff_t as builtin types
> 
> Hi Guy,
> 
> This patch looks good to me.
> 
> I changed the code a bit around your changes in lib/Sema/SemaDecl.cpp, but it 
> will be easy to fix.
> 
> Thanks,
> Joey
> 
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Benyei, Guy
> Sent: 05 February 2013 13:11
> To: [email protected]
> Subject: RE: [Patch]OpenCL size_t and ptrdiff_t as builtin types
> 
> Any comments on this patch?
> 
> Thanks
>   Guy Benyei
> 
> 
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Benyei, Guy
> Sent: Wednesday, January 30, 2013 22:46
> To: [email protected]
> Subject: [Patch]OpenCL size_t and ptrdiff_t as builtin types
> 
> Hello,
> Attached a patch that makes OpenCL size_t and ptrdiff_t types Clang builtin 
> types.
> In OpenCL size_t is not a library define, but an actual keyword, a type that 
> is available without special includes, and it also has some specific 
> restriction.
> 
> Please review
> 
> Thanks
>    Guy Benyei
> 
> 
> 
> 
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