1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c
index df2981fd3f..5b15e9ce52 100644
--- a/gcc/cp/tree.c
+++ b/gcc/cp/tree.c
@@ -3139,6 +3139,11 @@ cp_tree_equal (tree t1, tree t2)
       return cp_tree_equal (CI_ASSOCIATED_CONSTRAINTS (t1),
                             CI_ASSOCIATED_CONSTRAINTS (t2));
 
+    case CHECK_CONSTR:
+      return (CHECK_CONSTR_CONCEPT (t1) == CHECK_CONSTR_CONCEPT (t2)
+              && comp_template_args (CHECK_CONSTR_ARGS (t1),
+				     CHECK_CONSTR_ARGS (t2)));
+
     case TREE_VEC:
       {
 	unsigned ix;