From 78d8002303af1195329102ff5c53849158aec44f Mon Sep 17 00:00:00 2001
From: Terence Parr <parrt@antlr.org>
Date: Sat, 4 Aug 2012 21:34:42 -0700
Subject: [PATCH] allow atn state optimization; sam fixed.

---
 tool/src/org/antlr/v4/automata/ATNOptimizer.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tool/src/org/antlr/v4/automata/ATNOptimizer.java b/tool/src/org/antlr/v4/automata/ATNOptimizer.java
index ee38884ec..032df79d4 100644
--- a/tool/src/org/antlr/v4/automata/ATNOptimizer.java
+++ b/tool/src/org/antlr/v4/automata/ATNOptimizer.java
@@ -57,7 +57,7 @@ public class ATNOptimizer {
 
 	public static void optimize(@NotNull Grammar g, @NotNull ATN atn) {
 		optimizeSets(g, atn);
-//		optimizeStates(atn); // TODO leads to class cast exception
+		optimizeStates(atn);
 	}
 
 	private static void optimizeSets(Grammar g, ATN atn) {