[llvm] r209999 - Support: add 6-parameter format

[Rafael Espíndola]

Nit: we don't duplicate the name in comments anymore.

> +/// format_object6 - This is a templated helper class used by the format
> +/// function that captures the object to be formated and the format string. When
> +/// actually printed, this synthesizes the string into a temporary buffer
> +/// provided and returns whether or not it is big enough.
> +template <typename T1, typename T2, typename T3, typename T4, typename T5,
> +          typename T6>
> +class format_object6 : public format_object_base {

Cheers,
Rafael