extern tree build_x_arrow (location_t, tree,
tsubst_flags_t);
extern tree build_m_component_ref (tree, tree, tsubst_flags_t);
-extern tree build_functional_cast (tree, tree, tsubst_flags_t);
+extern tree build_functional_cast (location_t, tree, tree,
+ tsubst_flags_t);
extern tree add_exception_specifier (tree, tree, tsubst_flags_t);
extern tree merge_exception_specifiers (tree, tree);