remove Node.refs

1 files changed, 1 insertions, 1 deletions

diff --git a/peephole.c b/peephole.c
index 06ded1a..24ae315 100644
--- a/peephole.c
+++ b/peephole.c
@@ -617,7 +617,7 @@ zero_no_effect:	if (node_eql_i64(CAR(n), 0)) return CDR(n);
 }
 
 Node *node_peephole(Node *n, Graph *p, Lexer *l) {
-	assert(n->refs > 0);
+	assert(n->op != N_DEAD);
 	Node *r = node_idealize(n, p, l);
 	if (r) {
 		r->src_pos = n->src_pos;