c++: add comments

gcc/cp/ChangeLog:

	* tree.cc (strip_typedefs): Add default argument comments.

diff --git a/gcc/cp/tree.cc b/gcc/cp/tree.cc
index 63164bee638d695a87a15df0f5311e359bfa968d..ed0d0d229500825c51d49a6c5310f85414ce77f7 100644 (file)
--- a/gcc/cp/tree.cc
+++ b/gcc/cp/tree.cc
@@ -1583,7 +1583,8 @@ apply_identity_attributes (tree result, tree attribs, bool *remove_attributes)
    stripped.  */
 
 tree
-strip_typedefs (tree t, bool *remove_attributes, unsigned int flags)
+strip_typedefs (tree t, bool *remove_attributes /* = NULL */,
+               unsigned int flags /* = 0 */)
 {
   tree result = NULL, type = NULL, t0 = NULL;