From 4ec9e6ba10246a660badcd049368640fab53feaa Mon Sep 17 00:00:00 2001
From: David Majda <david@majda.cz>
Date: Sat, 7 Jun 2014 08:49:04 +0200
Subject: [PATCH] Remove useless test in the |reportLeftRecursion| pass

Empty sequences are not allowed anymore so we don't have to test for
them.
---
 lib/compiler/passes/report-left-recursion.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/compiler/passes/report-left-recursion.js b/lib/compiler/passes/report-left-recursion.js
index 56d98f8..13297d5 100644
--- a/lib/compiler/passes/report-left-recursion.js
+++ b/lib/compiler/passes/report-left-recursion.js
@@ -11,9 +11,7 @@ function reportLeftRecursion(ast) {
     },
 
     sequence: function(node, appliedRules) {
-      if (node.elements.length > 0) {
-        check(node.elements[0], appliedRules);
-      }
+      check(node.elements[0], appliedRules);
     },
 
     rule_ref: function(node, appliedRules) {