tree copy_tree_r (tree*, int*, void*);
void clone_body (tree, tree, void*);
tree save_body (tree, tree *);
-void remap_save_expr (tree*, void*, tree, int*);
+void remap_save_expr (tree*, void*, int*);
int estimate_num_insns (tree expr);
/* 0 if we should not perform inlining.