[cfe-dev] Clang::SemaCXX/reinterpret-cast.cpp failing

[Ahmed Charles]

> "longs and pointers are 64 bits, and the rest is 32 bits or less" and
> "long longs and pointers are 64 bits, and the rest (including long) is
> 32 bits".  I think LLP64 is sometimes also called P64.  In short, on
> Windows, you've got sizeof(long) == 4, no matter if you're running in
> 32 bit or 64 bit mode.  But on most UNIX systems, sizeof(long) ==
> sizeof(void *), so it is 8 in 64 bit mode.
>

Interesting, I didn't know that. Thanks. I thought long was always 32 bits,
not sure why.
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