Add pretty-printing support for __is_nothrow_{assignable, constructible}. [PR98054]

[Marek Polacek]

On Mon, Nov 30, 2020 at 01:19:32PM +0200, Ville Voutilainen via Gcc-patches wrote:
> OK for trunk if full testsuite passes? Should we consider having some sort
> of test that catches such omissions?

IMHO this doesn't require a test.

> 2020-11-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
> 
>     gcc/
> 
>     PR c++/98054
>     * cp/cxx-pretty-print.c (pp_cxx_trait_expression):
>     Add support for __is_nothrow_{assignable,constructible}.

No "cp/" please.

> diff --git a/gcc/cp/cxx-pretty-print.c b/gcc/cp/cxx-pretty-print.c
> index 058b9c2f4fc..1cdf0772a6b 100644
> --- a/gcc/cp/cxx-pretty-print.c
> +++ b/gcc/cp/cxx-pretty-print.c
> @@ -2666,6 +2666,12 @@ pp_cxx_trait_expression (cxx_pretty_printer *pp, tree t)
>      case CPTK_IS_CONSTRUCTIBLE:
>        pp_cxx_ws_string (pp, "__is_constructible");
>        break;
> +    case CPTK_IS_NOTHROW_ASSIGNABLE:
> +      pp_cxx_ws_string (pp, "__is_nothrow_assignable");
> +      break;
> +    case CPTK_IS_NOTHROW_CONSTRUCTIBLE:
> +      pp_cxx_ws_string (pp, "__is_nothrow_constructible");
> +      break;
>  
>      default:
>        gcc_unreachable ();

Looks fine, thanks.

Marek