tree.c (replace_placeholders_t): Remove unused type.

	* tree.c (replace_placeholders_t): Remove unused type.
	(replace_placeholders): Remove unused pset.

From-SVN: r222110

gcc/cp/ChangeLog

+2015-04-14  Mikhail Maltsev  <maltsevm@gmail.com>
+
+	* tree.c (replace_placeholders_t): Remove unused type.
+	(replace_placeholders): Remove unused pset.
+
 2015-04-14  Jason Merrill  <jason@redhat.com>
 
 	* pt.c (lookup_template_class_1): Use coerce_innermost_template_parms.

gcc/cp/tree.c

@@ -2473,12 +2473,6 @@ build_ctor_subob_ref (tree index, tree type, tree obj)
 /* Like substitute_placeholder_in_expr, but handle C++ tree codes and
    build up subexpressions as we go deeper.  */
 
-struct replace_placeholders_t
-{
-  tree obj;
-  hash_set<tree> *pset;
-};
-
 static tree
 replace_placeholders_r (tree* t, int* walk_subtrees, void* data_)
 {
@@ -2539,7 +2533,6 @@ replace_placeholders_r (tree* t, int* walk_subtrees, void* data_)
 tree
 replace_placeholders (tree exp, tree obj)
 {
-  hash_set<tree> pset;
   tree *tp = &exp;
   if (TREE_CODE (exp) == TARGET_EXPR)
     tp = &TARGET_EXPR_INITIAL (exp);