On 4/27/11 10:33 PM, John McCall wrote:
> Well, I think we already figured out that the MS mangler has to work with
> non-canonical types sometimes; this would just involve looking for
> particular TypedefTypes.
>
> But the first thing to figure out is whether they're different types.
> Judging from these changes they're built into the compiler somehow, so we
> need to check this programmatically, e.g., by whether this compiles or not:
>
> template <class A, class B> struct is_same {
> enum { value = -1 };
> };
> template <class A> struct is_same<A,B> {
> enum { value = 1 };
> };
> char myarray[is_same<__int16, short>::value];
This compiles successfully with Visual C++ 8, so it looks like they
really aren't different types.
By the way, I just realized: the behavior of __int8 in clang is wrong
currently. It should always be signed (unless specified otherwise with
'unsigned'), whereas right now it can be signed or unsigned depending on
the -funsigned-char parameter, since it's an alias to 'char'.
Chip
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