[libstdc++] intptr_t usage

[Mark Mitchell]

Jakub Jelinek wrote:

> As stdint.h is provided by the various OSes, doing this is risky, you might
> very well define __INTPTR_TYPE__ or __UINTPTR_TYPE__ to a type that has the
> same precision as the real intptr_t or uintptr_t, but mangles differently.

Excellent point.

> IMHO it is far better to just use int __attribute__((__mode__ (__pointer__)))
> in libstdc++ headers and don't suggest that it is necessarily the same type
> as intptr_t or uintptr_t.

Yes, I agree.  Paolo, sorry for the misleading suggestion.

Thanks,

-- 
Mark Mitchell
CodeSourcery
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