RFA/RFC: Add stack recursion limit to libiberty's demangler [v4]

[Pedro Alves]

On 12/04/2018 01:59 PM, Nick Clifton wrote:

> OK then, here is a fourth revision of the patch.

The issue pointed out by

 https://gcc.gnu.org/ml/gcc-patches/2018-11/msg02592.html

is still present in this version.

Also, noticed a typo here:

> +/* If DMGL_NO_RECURE_LIMIT is not enabled, then this is the value used as

Typo: "RECURE"

> +   the maximum depth of recursion allowed.  It should be enough for any
> +   real-world mangled name.  */
> +#define DEMANGLE_RECURSION_LIMIT 1024
> +  

Thanks,
Pedro Alves