PR c++/33255 - Support -Wunused-local-typedefs warning

[pf3gnuchains/gcc-fork.git] / gcc / c-family / c-common.h

diff --git a/gcc/c-family/c-common.h b/gcc/c-family/c-common.h
index 7ad82c0..7241d66 100644 (file)
--- a/gcc/c-family/c-common.h
+++ b/gcc/c-family/c-common.h
@@ -506,6 +506,10 @@ struct GTY(()) c_language_function {
   /* While we are parsing the function, this contains information
      about the statement-tree that we are building.  */
   struct stmt_tree_s x_stmt_tree;
+
+  /* Vector of locally defined typedefs, for
+     -Wunused-local-typedefs.  */
+  VEC(tree,gc) *local_typedefs;
 };
 
 #define stmt_list_stack (current_stmt_tree ()->x_cur_stmt_list)
@@ -988,6 +992,9 @@ extern void warn_for_sign_compare (location_t,
 extern void do_warn_double_promotion (tree, tree, tree, const char *, 
                                      location_t);
 extern void set_underlying_type (tree);
+extern void record_locally_defined_typedef (tree);
+extern void maybe_record_typedef_use (tree);
+extern void maybe_warn_unused_local_typedefs (void);
 extern VEC(tree,gc) *make_tree_vector (void);
 extern void release_tree_vector (VEC(tree,gc) *);
 extern VEC(tree,gc) *make_tree_vector_single (tree);