Drop unused end-position from VariableProxy

src/parsing/preparser.cc

Index: src/parsing/preparser.cc
diff --git a/src/parsing/preparser.cc b/src/parsing/preparser.cc
index 3a6bfbf3b1f84e7c086d56ac16eb214832307afb..025633c3f90cecec8a1b96ab42ac58fc2fb1573e 100644
--- a/src/parsing/preparser.cc
+++ b/src/parsing/preparser.cc
@@ -215,15 +215,14 @@ PreParser::LazyParsingResult PreParser::ParseStatementListAndLogFunction(
 }
 
 PreParserExpression PreParser::ExpressionFromIdentifier(
-    PreParserIdentifier name, int start_position, int end_position,
-    InferName infer) {
+    PreParserIdentifier name, int start_position, InferName infer) {
   if (track_unresolved_variables_) {
     AstNodeFactory factory(ast_value_factory());
     // Setting the Zone is necessary because zone_ might be the temp Zone, and
     // AstValueFactory doesn't know about it.
     factory.set_zone(zone());
     DCHECK_NOT_NULL(name.string_);
-    scope()->NewUnresolved(&factory, name.string_, start_position, end_position,
+    scope()->NewUnresolved(&factory, name.string_, start_position,
                            NORMAL_VARIABLE);
   }
   return PreParserExpression::FromIdentifier(name, zone());