Hi!
I'd like to ping following patch. Thanks.
On Fri, Jan 10, 2020 at 09:28:20PM +0100, Jakub Jelinek wrote:
> 2020-01-10 Jakub Jelinek <ja...@redhat.com>
>
> PR c++/93228
> * parser.c (cp_parser_template_name): Look up deprecated attribute
> in DECL_TEMPLATE_RESULT or its type's attributes.
>
> * g++.dg/cpp1y/attr-deprecated-3.C: New test.
>
> --- gcc/cp/parser.c.jj 2020-01-10 17:52:48.084062620 +0100
> +++ gcc/cp/parser.c 2020-01-10 19:15:29.019861630 +0100
> @@ -16882,7 +16882,17 @@ cp_parser_template_name (cp_parser* pars
> {
> if (TREE_DEPRECATED (decl)
> && deprecated_state != DEPRECATED_SUPPRESS)
> - warn_deprecated_use (decl, NULL_TREE);
> + {
> + tree d = DECL_TEMPLATE_RESULT (decl);
> + tree attr;
> + if (TREE_CODE (d) == TYPE_DECL)
> + attr = lookup_attribute ("deprecated",
> + TYPE_ATTRIBUTES (TREE_TYPE (d)));
> + else
> + attr = lookup_attribute ("deprecated",
> + DECL_ATTRIBUTES (d));
> + warn_deprecated_use (decl, attr);
> + }
> }
> else
> {
> --- gcc/testsuite/g++.dg/cpp1y/attr-deprecated-3.C.jj 2020-01-10
> 19:20:44.165196267 +0100
> +++ gcc/testsuite/g++.dg/cpp1y/attr-deprecated-3.C 2020-01-10
> 19:20:48.699129148 +0100
> @@ -0,0 +1,13 @@
> +// PR c++/93228
> +// { dg-do compile { target c++14 } }
> +
> +template <typename T>
> +struct [[deprecated("foo")]] bar {}; // { dg-message "declared here" }
> +struct [[deprecated("baz")]] qux {}; // { dg-message "declared here"
> }
> +
> +void
> +quux ()
> +{
> + bar<int> b; // { dg-warning "is deprecated: foo" }
> + qux c; // { dg-warning "is deprecated: baz" }
> +}
>
Jakub
