fix wrong assert, expor copy_node_attr function to public API

[libfirm] / ir / ana / irloop_t.h

diff --git a/ir/ana/irloop_t.h b/ir/ana/irloop_t.h
index 345a593..e075c9c 100644 (file)
--- a/ir/ana/irloop_t.h
+++ b/ir/ana/irloop_t.h
@@ -121,7 +121,7 @@ _set_irg_loop(ir_graph *irg, ir_loop *loop) {
 }
 
 static inline ir_loop *
-_get_irg_loop(ir_graph *irg) {
+_get_irg_loop(const ir_graph *irg) {
        assert(irg);
        return irg->loop;
 }