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 8cd5e6454..24780f731 100755
--- a/runtime/Java/src/org/antlr/v4/runtime/atn/ParserATNSimulator.java
+++ b/runtime/Java/src/org/antlr/v4/runtime/atn/ParserATNSimulator.java
@@ -239,7 +239,7 @@ import java.util.Set;
  	 *  holds the decision were evaluating
 */
 public class ParserATNSimulator<Symbol extends Token> extends ATNSimulator {
-	public static boolean debug = false;
+	public static boolean debug = false
 	public static boolean dfa_debug = false;
 	public static boolean retry_debug = false;
 
@@ -535,8 +535,7 @@ public class ParserATNSimulator<Symbol extends Token> extends ATNSimulator {
 						int k = input.index() - startIndex + 1; // how much input we used
 //						System.out.println("used k="+k);
 						if ( outerContext == ParserRuleContext.EMPTY || // in grammar start rule
-							 !D.configset.dipsIntoOuterContext ||
-							 k == 1 ) // SLL(1) == LL(1)
+							 !D.configset.dipsIntoOuterContext )
 						{
 							if ( reportAmbiguities && !D.configset.hasSemanticContext ) {
 								reportAmbiguity(dfa, D, startIndex, input.index(), D.configset.conflictingAlts, D.configset);
diff --git a/tool/playground/T.g b/tool/playground/T.g
index af669d4f7..eebbe9ddd 100644
--- a/tool/playground/T.g
+++ b/tool/playground/T.g
@@ -1,9 +1,6 @@
 grammar T;
-s : a a a;
-a : {false}? ID 
-  | {true}?  ID
-  | INT       
-  ;
-ID : 'a'..'z'+ ;
+s : f f EOF;
+f : | x;
+x : 'a' 'b';
 INT : '0'..'9'+;
 WS : (' '|'\n') {skip();} ;