Remove the rest_parameter(int*) variant, use rest_parameter() instead.

src/compiler/ast-graph-builder.h

Index: src/compiler/ast-graph-builder.h
diff --git a/src/compiler/ast-graph-builder.h b/src/compiler/ast-graph-builder.h
index bd307ba29ad129377d24db86987ab17a5a4c2cc8..9e6e74bdc37642cf8c144962cd10344c8e59b564 100644
--- a/src/compiler/ast-graph-builder.h
+++ b/src/compiler/ast-graph-builder.h
@@ -278,8 +278,8 @@ class AstGraphBuilder : public AstVisitor<AstGraphBuilder> {
   // Builder to create an arguments object if it is used.
   Node* BuildArgumentsObject(Variable* arguments);
 
-  // Builder to create an array of rest parameters if used
-  Node* BuildRestArgumentsArray(Variable* rest, int index);
+  // Builder to create an array of rest parameters if used.
+  Node* BuildRestArgumentsArray(Variable* rest);
 
   // Builder that assigns to the {.this_function} internal variable if needed.
   Node* BuildThisFunctionVariable(Variable* this_function_var);