add special constant to represent VA_START-address in a parameter_entity

[libfirm] / ir / lower / lower_mode_b.c

diff --git a/ir/lower/lower_mode_b.c b/ir/lower/lower_mode_b.c
index 948e8c8..6a381be 100644 (file)
--- a/ir/lower/lower_mode_b.c
+++ b/ir/lower/lower_mode_b.c
@@ -177,6 +177,8 @@ static ir_node *lower_node(ir_node *node)
        if (res != NULL)
                return res;
 
+       node = skip_Tuple(node);
+
        assert(get_irn_mode(node) == mode_b);
 
        irg = get_irn_irg(node);