Reland: [Compiler] Enable handles created during parsing and scope analysis to be deferred.

src/parsing/parser.h

Index: src/parsing/parser.h
diff --git a/src/parsing/parser.h b/src/parsing/parser.h
index 20c79371822276d08a8b1691a4855a9fb090ad59..5cefdc79b9bb123310135c3ad19ba4a9029a9fe9 100644
--- a/src/parsing/parser.h
+++ b/src/parsing/parser.h
@@ -222,16 +222,17 @@ class V8_EXPORT_PRIVATE Parser : public NON_EXPORTED_BASE(ParserBase<Parser>) {
   void DeserializeScopeChain(ParseInfo* info,
                              MaybeHandle<ScopeInfo> maybe_outer_scope_info);
 
-  // Handle errors detected during parsing, move statistics to Isolate,
-  // internalize strings (move them to the heap).
-  void Internalize(Isolate* isolate, Handle<Script> script, bool error);
+  // Handle errors detected during parsing
+  void ReportErrors(Isolate* isolate, Handle<Script> script);
+  // Move statistics to Isolate
+  void UpdateStatistics(Isolate* isolate, Handle<Script> script);
   void HandleSourceURLComments(Isolate* isolate, Handle<Script> script);
 
  private:
   friend class ParserBase<Parser>;
   friend class v8::internal::ExpressionClassifier<ParserTypes<Parser>>;
-  friend bool v8::internal::parsing::ParseProgram(ParseInfo*);
-  friend bool v8::internal::parsing::ParseFunction(ParseInfo*);
+  friend bool v8::internal::parsing::ParseProgram(ParseInfo*, bool);
+  friend bool v8::internal::parsing::ParseFunction(ParseInfo*, bool);
 
   bool AllowsLazyParsingWithoutUnresolvedVariables() const {
     return scope()->AllowsLazyParsingWithoutUnresolvedVariables(