[PATCH] c++: remove single-parameter version of mark_used

[Patrick Palka via Gcc-patches]

gcc/cp/ChangeLog:

        * cp-tree.h (mark_used): Remove single-parameter overload.  Add
        default argument to the two-parameter overload.
        * decl2.cc (mark_used): Likewise.
---
 gcc/cp/cp-tree.h | 3 +--
 gcc/cp/decl2.cc  | 8 +-------
 2 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h
index cc13809f38a..ac5b3eef118 100644
--- a/gcc/cp/cp-tree.h
+++ b/gcc/cp/cp-tree.h
@@ -6932,8 +6932,7 @@ extern bool decl_constant_var_p                   (tree);
 extern bool decl_maybe_constant_var_p          (tree);
 extern void no_linkage_error                   (tree);
 extern void check_default_args                 (tree);
-extern bool mark_used                          (tree);
-extern bool mark_used                          (tree, tsubst_flags_t);
+extern bool mark_used                          (tree, tsubst_flags_t = 
tf_warning_or_error);
 extern bool mark_single_function               (tree, tsubst_flags_t);
 extern void finish_static_data_member_decl     (tree, tree, bool, tree, int);
 extern tree cp_build_parm_decl                 (tree, tree, tree);
diff --git a/gcc/cp/decl2.cc b/gcc/cp/decl2.cc
index 974afe798b6..f15381be5f1 100644
--- a/gcc/cp/decl2.cc
+++ b/gcc/cp/decl2.cc
@@ -5730,7 +5730,7 @@ mark_single_function (tree expr, tsubst_flags_t complain)
    wrong, true otherwise.  */
 
 bool
-mark_used (tree decl, tsubst_flags_t complain)
+mark_used (tree decl, tsubst_flags_t complain /* = tf_warning_or_error */)
 {
   /* If we're just testing conversions or resolving overloads, we
      don't want any permanent effects like forcing functions to be
@@ -5974,12 +5974,6 @@ mark_used (tree decl, tsubst_flags_t complain)
   return true;
 }
 
-bool
-mark_used (tree decl)
-{
-  return mark_used (decl, tf_warning_or_error);
-}
-
 tree
 vtv_start_verification_constructor_init_function (void)
 {
-- 
2.36.1.299.gab336e8f1c