From f19697156574dc6e4c0da77751ea23b4276ac8fe Mon Sep 17 00:00:00 2001
From: Sam Harwell <sam@tunnelvisionlabs.com>
Date: Thu, 24 Nov 2016 14:38:34 -0600
Subject: [PATCH] Fix failure to identify prefix rules that also recurse

Fixes #1402
---
 tool/src/org/antlr/v4/parse/LeftRecursiveRuleWalker.g | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tool/src/org/antlr/v4/parse/LeftRecursiveRuleWalker.g b/tool/src/org/antlr/v4/parse/LeftRecursiveRuleWalker.g
index 774243f14..497e8aa85 100644
--- a/tool/src/org/antlr/v4/parse/LeftRecursiveRuleWalker.g
+++ b/tool/src/org/antlr/v4/parse/LeftRecursiveRuleWalker.g
@@ -127,7 +127,7 @@ binary
 
 prefix
 	:	^(	ALT elementOptions?
-			({!((CommonTree)input.LT(1)).getText().equals(ruleName)}? element)+
+			element+
 			recurse epsilonElement*
 		 )
          {setAltAssoc((AltAST)$ALT,currentOuterAltNumber);}