change color handling in dumper, tweak colors

[libfirm] / ir / be / beuses.c

diff --git a/ir/be/beuses.c b/ir/be/beuses.c
index aa97898..f17775e 100644 (file)
--- a/ir/be/beuses.c
+++ b/ir/be/beuses.c
@@ -284,6 +284,7 @@ static be_next_use_t get_next_use(be_uses_t *env, ir_node *from,
        ir_graph *irg       = get_irn_irg(block);
        ir_node *startblock = get_irg_start_block(irg);
 
+       result.before  = NULL;
        outermost_loop = loopdepth;
        foreach_block_succ(block, edge) {
                const be_use_t *use;