Parser / PreParser: trivial unifications

src/preparser.cc

Index: src/preparser.cc
diff --git a/src/preparser.cc b/src/preparser.cc
index 9e72422eb7deb1c28f824ac86937068d2eb5ddbe..11108a1d149b26c225c0cec352fa4a19c37789ba 100644
--- a/src/preparser.cc
+++ b/src/preparser.cc
@@ -180,11 +180,11 @@ PreParser::Statement PreParser::ParseStatementListItem(bool* ok) {
     case Token::CLASS:
       return ParseClassDeclaration(ok);
     case Token::CONST:
-      return ParseVariableStatement(kSourceElement, ok);
+      return ParseVariableStatement(kStatementListItem, ok);
     case Token::LET:
       DCHECK(allow_harmony_scoping());
       if (is_strict(language_mode())) {
-        return ParseVariableStatement(kSourceElement, ok);
+        return ParseVariableStatement(kStatementListItem, ok);
       }
       // Fall through.
     default: