1 files changed, 2 insertions, 0 deletions
diff --git a/posix/regcomp.c b/posix/regcomp.c
index 35a3b83f50..b0093d940e 100644
--- a/posix/regcomp.c
+++ b/posix/regcomp.c
@@ -1149,6 +1149,8 @@ calc_epsdest (dfa, node)
 	       || dfa->nodes[idx].type == OP_CLOSE_SUBEXP
 	       || dfa->nodes[idx].type == OP_BACK_REF)
 	re_node_set_init_1 (dfa->edests + idx, node->next);
+      else
+        assert (!IS_EPSILON_NODE (dfa->nodes[idx].type));
     }
 }