pt.c (build_non_dependent_expr): Remove special handling of REFERENCE_REF_P.

	* pt.c (build_non_dependent_expr): Remove special handling of
	REFERENCE_REF_P.

From-SVN: r174545

gcc/cp/ChangeLog

 2011-06-01  Jason Merrill  <jason@redhat.com>
 
+	* pt.c (build_non_dependent_expr): Remove special handling of
+	REFERENCE_REF_P.
+
 	PR c++/44175
 	* pt.c (template_args_equal): Handle one arg being NULL_TREE.
 	(deduction_tsubst_fntype): Handle excessive non-infinite recursion.

gcc/cp/pt.c

@@ -19189,12 +19189,6 @@ build_non_dependent_expr (tree expr)
 		   TREE_OPERAND (expr, 0),
 		   build_non_dependent_expr (TREE_OPERAND (expr, 1)));
 
-  /* Keep dereferences outside the NON_DEPENDENT_EXPR so lvalue_kind
-     doesn't need to look inside.  */
-  if (REFERENCE_REF_P (expr))
-    return convert_from_reference (build_non_dependent_expr
-				   (TREE_OPERAND (expr, 0)));
-
   /* If the type is unknown, it can't really be non-dependent */
   gcc_assert (TREE_TYPE (expr) != unknown_type_node);