Implement -Wimplicit-fallthrough.

[thirdparty/gcc.git] / gcc / c-family / c-common.h

diff --git a/gcc/c-family/c-common.h b/gcc/c-family/c-common.h
index 5bbf9511d0869b9126f1916ffa1aca125915d9a9..c88619b5acaf0e663b9549a5bae7ee3e0aee058d 100644 (file)
--- a/gcc/c-family/c-common.h
+++ b/gcc/c-family/c-common.h
@@ -805,6 +805,7 @@ extern void check_function_arguments_recurse (void (*)
 extern bool check_builtin_function_arguments (location_t, vec<location_t>,
                                              tree, int, tree *);
 extern void check_function_format (tree, int, tree *);
+extern bool attribute_fallthrough_p (tree);
 extern tree handle_unused_attribute (tree *, tree, tree, int, bool *);
 extern tree handle_format_attribute (tree *, tree, tree, int, bool *);
 extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *);