[cfe-dev] Expression type unexpected

[James Dennett via cfe-dev]

On Wed, Nov 25, 2015 at 10:20 AM, Daniel Dilts via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

> It makes sense to me that int->MyType->int occurs.  Could someone explain
>> what I am missing, why I get these results, and how to get what I would
>> expect (X->MyType->X)?
>>
>
> I am seeing in the AST an ImplicitCastExpr to int.  Why is this present?
> I thought that the arguments are passed to a variadic function as their
> actual types.
>
>
The default argument promotions (and some others, such as nullptr_t ->
void*) apply per [expr.call]p7 (in C++11).

-- James
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