[PATCH] Move rust_{is_mangled,demangle_sym} to a private libiberty header.

[Ian Lance Taylor via gcc-patches]

On Sat, Jun 1, 2019 at 7:15 AM Eduard-Mihai Burtescu <eddyb@lyken.rs> wrote:
>
> 2019-06-01  Eduard-Mihai Burtescu  <eddyb@lyken.rs>
> include/ChangeLog:
>         * demangle.h (rust_is_mangled): Move to libiberty/rust-demangle.h.
>         (rust_demangle_sym): Move to libiberty/rust-demangle.h.
> libiberty/ChangeLog:
>         * cplus-dem.c: Include rust-demangle.h.
>         * rust-demangle.c: Include rust-demangle.h.
>         * rust-demangle.h: New file.

This is OK if it bootstraps and tests pass.

Thanks.

Ian