[RFA 2/2] Support ptype/o in Rust

[Simon Marchi]

On 2018-06-23 16:22, Tom Tromey wrote:
> @@ -674,16 +683,41 @@ rust_print_struct_def (struct type *type, const
> char *varstring,
> 
>    if (TYPE_NFIELDS (type) == 0 && !is_tuple)
>      return;
> -  if (for_rust_enum)
> +  if (for_rust_enum && !flags->print_offsets)
>      fputs_filtered (is_tuple_struct ? "(" : "{", stream);
>    else
>      fputs_filtered (is_tuple_struct ? " (\n" : " {\n", stream);
> 
> +  // When printing offsets, we rearrange the fields into storage
> +  // order.  This lets us show holes more clearly.  We work using
> +  // field indices here because it simplifies calls to
> +  // print_offset_data::update below.

Use /**/  comments.

Otherwise, both patches LGTM.

Simon