[cfe-dev] Small change to ObjC builtin type definition

[David Chisnall]

Hi,

As I said in a previous email, every Objective-C program redefines  
the built-in types from a header found in the system.  Currently, the  
types for these are hard-coded in clang, for the NeXT runtime,  
causing compilation to abort with any other runtime (specifically the  
GNU one - there will be more problems with the Étoilé runtime later  
since clang assumes selectors to be pointers in quite a few places).

The attached patch allows the definition in the headers to replace  
the hard-coded definitions, allowing Objective-C programs to compile  
for the GNU runtime again.

David

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