[PATCH] Add a jumptable attribute and support for creating jump-instruction tables

[Rafael Espíndola]

> Of course, this all works best under LTO, since the tables can all be
> written together. Otherwise, a given function might have more than one
> associated jumptable function. That would still work, since the two
> symbols would be in different tables, and both would still resolve
> their jumps to the same function.

Assuming the address of the function is not compared, right?

Cheers,
Rafael