On Apr 27, 2011, at 10:15 PM, Charles Davis wrote:
> 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.
Okay, thanks.
> 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'.
Good catch!
John.
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