From 3f26d42d5346635b97e18d10cf88bbc9038e8191 Mon Sep 17 00:00:00 2001
From: Terence Parr <parrt@antlr.org>
Date: Sat, 28 Jul 2012 18:33:05 -0700
Subject: [PATCH] add Sam's getConflictingAlts potential bug fix as comment

---
 .../src/org/antlr/v4/runtime/atn/ParserATNSimulator.java    | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/runtime/Java/src/org/antlr/v4/runtime/atn/ParserATNSimulator.java b/runtime/Java/src/org/antlr/v4/runtime/atn/ParserATNSimulator.java
index 7ab1660e0..99b547ec5 100755
--- a/runtime/Java/src/org/antlr/v4/runtime/atn/ParserATNSimulator.java
+++ b/runtime/Java/src/org/antlr/v4/runtime/atn/ParserATNSimulator.java
@@ -1238,6 +1238,12 @@ public class ParserATNSimulator<Symbol extends Token> extends ATNSimulator {
 
 		if ( ambigAlts.isNil() ) return null;
 
+		// are any configs not represented in ambig alt sets
+//		for (ATNConfig config : configs) {
+//			if (!ambigAlts.contains(config.alt)) {
+//				return null;
+//			}
+//		}
 		return ambigAlts;
 	}