[PATCH] PR13457 (part 1) explicit/implicit calling conventions compatibility in overloads

[Alexander Zinenko]

Ping.


On 2 March 2013 00:39, Alexander Zinenko <ftynse at gmail.com> wrote:

> Hello!
>
> This patch addresses the compatibility issue between explicitly specified
> default calling conventions and implicit ones in overload resolution.  As
> of now, such implicit conversions are only known in Microsoft ABI.  The
> corresponding CodeGen already knows about these implicit defaults, so the
> conversion kind could be just NoOp.
>
> The patch covers:
> * pointers to free functions (__cdecl by default);
> * references to free functions;
> * pointers to static member functions and variadic member functions
> (__cdecl by default);
> * pointers to non-static non-variadic member functions (__thiscall by
> default);
> * simultaneous calling convention adjustment and base-to-derived implicit
> conversion for member functions.
>
> The patch does not cover function templates, although the approach to this
> is exactly the same as for PR15291.
>
> I suppose functions for determining calling convention compatibility could
> be moved somewhere in TargetCXXABI if needed in other places.
>
> Please, review!
> Suggestions are welcome.
>
> --
> Alex
>
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