tree.c (make_lang_type_fn): New funtion pointer.

        * tree.c (make_lang_type_fn): New funtion pointer.
        (make_lang_type): Call it.
        * tree.h (make_lang_type): Declare.
        (make_lang_type_fn): Likewise.
        * rs6000.c (rs6000_build_va_list): Use make_lang_type.

Co-Authored-By: Mark Mitchell <mark@codesourcery.com>

From-SVN: r29864

1 files changed, 15 insertions, 0 deletions

diff --git a/gcc/tree.c b/gcc/tree.c
index 8f70747..3538022 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -1103,6 +1103,21 @@ make_node (code)
 
   return t;
 }
+
+/* A front-end can reset this to an appropriate function if types need
+   special handling.  */
+
+tree (*make_lang_type_fn) PROTO((enum tree_code)) = make_node;
+
+/* Return a new type (with the indicated CODE), doing whatever
+   language-specific processing is required.  */
+
+tree 
+make_lang_type (code)
+     enum tree_code code;
+{
+  return (*make_lang_type_fn) (code);
+}
 
 /* Return a new node with the same contents as NODE except that its
    TREE_CHAIN is zero and it has a fresh uid.  Unlike make_node, this