1 files changed, 10 insertions, 2 deletions
diff --git a/src/jdk/nashorn/internal/ir/BaseNode.java b/src/jdk/nashorn/internal/ir/BaseNode.java
index 35479a7a..4e59753a 100644
--- a/src/jdk/nashorn/internal/ir/BaseNode.java
+++ b/src/jdk/nashorn/internal/ir/BaseNode.java
@@ -27,9 +27,9 @@ package jdk.nashorn.internal.ir;
 
 import static jdk.nashorn.internal.runtime.UnwarrantedOptimismException.INVALID_PROGRAM_POINT;
 
-import java.util.function.Function;
 import jdk.nashorn.internal.codegen.types.Type;
 import jdk.nashorn.internal.ir.annotations.Immutable;
+import jdk.nashorn.internal.parser.TokenType;
 
 /**
  * IR base for accessing/indexing nodes.
@@ -98,7 +98,7 @@ public abstract class BaseNode extends Expression implements FunctionCall, Optim
     }
 
     @Override
-    public Type getType(final Function<Symbol, Type> localVariableTypes) {
+    public Type getType() {
         return type == null ? getMostPessimisticType() : type;
     }
 
@@ -123,6 +123,14 @@ public abstract class BaseNode extends Expression implements FunctionCall, Optim
     }
 
     /**
+     * Return true if this node represents an index operation normally represented as {@link IndexNode}.
+     * @return true if an index access.
+     */
+    public boolean isIndex() {
+        return isTokenType(TokenType.LBRACKET);
+    }
+
+    /**
      * Mark this node as being the callee operand of a {@link CallNode}.
      * @return a base node identical to this one in all aspects except with its function flag set.
      */