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Re: does gcc support multiple sizes, or not?
> The C++ standard implies that for all pointer-to-object types have the
> same size and that all pointer-to-function types have the same size.
> (Technically, it doesn't say that that; it says that you can convert T*
> -> U* -> T* and get the original value.)
Then they don't need to be the same size in most cases since usually when
multiple pointer sizes are allowed, the underlying OS/RTL only uses the
number of bits corresponding to the narrower size.