Virtual Calls: Make the ABI match the implementations

[Christophe de Dinechin]

Jason Merrill wrote:
> 
> 2) I just don't see the point.  It doesn't seem hard to emit the
>    appropriate thunks with the function; they don't need to be written
>    to fall through, they just have to be in the same object file.
> 
We indicated what the point was: it makes emitting 'strong' symbols optional,
and makes all existing implementations compliant with their existing weak
thunks.


Christophe