c++: Implement __is_{nothrow_,}convertible [PR106784]

[gcc.git] / gcc / cp / cp-tree.h

diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h
index f19ecafc266d3762a240636dd76a99928b6d6749..e4d89207e2af29158929527f4204a94972f31fb3 100644 (file)
--- a/gcc/cp/cp-tree.h
+++ b/gcc/cp/cp-tree.h
@@ -1407,6 +1407,8 @@ enum cp_trait_kind
   CPTK_IS_CONSTRUCTIBLE,
   CPTK_IS_NOTHROW_ASSIGNABLE,
   CPTK_IS_NOTHROW_CONSTRUCTIBLE,
+  CPTK_IS_CONVERTIBLE,
+  CPTK_IS_NOTHROW_CONVERTIBLE,
   CPTK_REF_CONSTRUCTS_FROM_TEMPORARY,
   CPTK_REF_CONVERTS_FROM_TEMPORARY
 };
@@ -7116,6 +7118,8 @@ extern tree forward_parm                  (tree);
 extern bool is_trivially_xible                 (enum tree_code, tree, tree);
 extern bool is_nothrow_xible                   (enum tree_code, tree, tree);
 extern bool is_xible                           (enum tree_code, tree, tree);
+extern bool is_convertible                     (tree, tree);
+extern bool is_nothrow_convertible             (tree, tree);
 extern bool ref_xes_from_temporary             (tree, tree, bool);
 extern tree get_defaulted_eh_spec              (tree, tsubst_flags_t = tf_warning_or_error);
 extern bool maybe_explain_implicit_delete      (tree);