typeck.c (build_indirect_ref): Use ATTRIBUTE_UNUSED.

2011-11-04  Paolo Carlini  <paolo.carlini@oracle.com>

	* typeck.c (build_indirect_ref): Use ATTRIBUTE_UNUSED.
	* mangle.c (write_unnamed_type_name): Likewise.

From-SVN: r180970

gcc/cp/ChangeLog

-2011-10-09  Magnus Fromreide  <magfr@lysator.liu.se>
+2011-11-04  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* typeck.c (build_indirect_ref): Use ATTRIBUTE_UNUSED.
+	* mangle.c (write_unnamed_type_name): Likewise.
+
+2011-11-04  Magnus Fromreide  <magfr@lysator.liu.se>
 
         * parser.c (cp_parser_enumerator_list): Do not warn about
         trailing commas in C++0x mode.

gcc/cp/mangle.c

@@ -1339,7 +1339,7 @@ nested_anon_class_index (tree type)
 /* <unnamed-type-name> ::= Ut [ <nonnegative number> ] _ */
 
 static void
-write_unnamed_type_name (const tree type __attribute__ ((__unused__)))
+write_unnamed_type_name (const tree type ATTRIBUTE_UNUSED)
 {
   int discriminator;
   MANGLE_TRACE_TREE ("unnamed-type-name", type);

gcc/cp/typeck.c

@@ -2726,7 +2726,7 @@ build_x_indirect_ref (tree expr, ref_operator errorstring,
 
 /* Helper function called from c-common.  */
 tree
-build_indirect_ref (location_t loc __attribute__ ((__unused__)),
+build_indirect_ref (location_t loc ATTRIBUTE_UNUSED,
 		    tree ptr, ref_operator errorstring)
 {
   return cp_build_indirect_ref (ptr, errorstring, tf_warning_or_error);