Preparse inner functions.

src/parsing/parser-base.h

Index: src/parsing/parser-base.h
diff --git a/src/parsing/parser-base.h b/src/parsing/parser-base.h
index cc8baf03bf3a3f5533247dd689b68bdcd9f6d2b7..05a15ca0e66f1fc58b10cb754e08c6a7d04f1bfd 100644
--- a/src/parsing/parser-base.h
+++ b/src/parsing/parser-base.h
@@ -3799,14 +3799,17 @@ ParserBase<Impl>::ParseArrowFunctionLiteral(
       // Multiple statement body
       Consume(Token::LBRACE);
       DCHECK_EQ(scope(), formal_parameters.scope);
-      bool is_lazily_parsed = (mode() == PARSE_LAZILY &&
-                               formal_parameters.scope->AllowsLazyParsing());
+      bool is_lazily_parsed =
+          (mode() == PARSE_LAZILY &&
+           formal_parameters.scope
+               ->AllowsLazyParsingWithoutUnresolvedVariables());
+      // TODO(marja): consider lazy-parsing inner arrow functions too.
       if (is_lazily_parsed) {
         Scanner::BookmarkScope bookmark(scanner());
         bool may_abort = bookmark.Set();
         LazyParsingResult result = impl()->SkipLazyFunctionBody(
-            &materialized_literal_count, &expected_property_count, may_abort,
-            CHECK_OK);
+            &materialized_literal_count, &expected_property_count, false,
+            may_abort, CHECK_OK);
 
         if (formal_parameters.materialized_literals_count > 0) {
           materialized_literal_count +=