Don't reset parameters if we aborted preparsing, rebuild them from the params_ list

src/parsing/parser.cc

Index: src/parsing/parser.cc
diff --git a/src/parsing/parser.cc b/src/parsing/parser.cc
index eae5a5781ce76fe043087245870f36da14dbcae5..bb9d69337df8a6b0b39142e1512a6c7c978db4ba 100644
--- a/src/parsing/parser.cc
+++ b/src/parsing/parser.cc
@@ -3488,7 +3488,9 @@ PreParser::PreParseResult Parser::ParseLazyFunctionBodyWithPreParser(
       use_counts_);
   // Detaching the scopes created by PreParser from the Scope chain must be done
   // above (see ParseFunctionLiteral & AnalyzePartially).
-  if (!is_inner_function) function_scope->ResetAfterPreparsing();
+  if (!is_inner_function) {
+    function_scope->ResetAfterPreparsing(result == PreParser::kPreParseAbort);
+  }
   if (pre_parse_timer_ != NULL) {
     pre_parse_timer_->Stop();
   }