[cxx-abi-dev] mangling for fold-expressions

[Jason Merrill]

On 11/08/2014 12:16 PM, Richard Smith wrote:
> <expression> ::=
>    fl <binary operator-name> <expression>   # ( ... op pack )
>    fr <binary operator-name> <expression>   # ( pack op ... )
>    fx <binary operator-name> <expression> <expression>   # ( expr op ... op
> expr )

Do we really need mangling for the third case?  I was thinking it would 
reduce to one of the others plus a normal binary operation.

Jason