merge kaps

[libfirm] / ir / stat / stat_liveness.c

diff --git a/ir/stat/stat_liveness.c b/ir/stat/stat_liveness.c
index 5393131..f2f1608 100644 (file)
--- a/ir/stat/stat_liveness.c
+++ b/ir/stat/stat_liveness.c
@@ -71,9 +71,10 @@ static block_entry_t *get_block_entry(ir_node *block)
 static void add_entry(ir_node ***arr, ir_node *irn)
 {
        ir_node **list = *arr;
-       int i;
+       size_t i;
 
-       for (i = ARR_LEN(list) - 1; i >= 0; --i) {
+       for (i = ARR_LEN(list); i > 0;) {
+               --i;
                if (list[i] == irn) {
                        /* already there */
                        return;