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

src/compiler-dispatcher/compiler-dispatcher.cc

Index: src/compiler-dispatcher/compiler-dispatcher.cc
diff --git a/src/compiler-dispatcher/compiler-dispatcher.cc b/src/compiler-dispatcher/compiler-dispatcher.cc
index 4f137c687e1da1f2d1a4890f018250245b0c6792..b1c5b9d9d012b9bbeb2529f1c1de823d554d0fa6 100644
--- a/src/compiler-dispatcher/compiler-dispatcher.cc
+++ b/src/compiler-dispatcher/compiler-dispatcher.cc
@@ -287,8 +287,11 @@ bool CompilerDispatcher::EnqueueAndStep(Handle<SharedFunctionInfo> function) {
   return true;
 }
 
-bool CompilerDispatcher::Enqueue(Handle<SharedFunctionInfo> function,
-                                 FunctionLiteral* literal) {
+bool CompilerDispatcher::Enqueue(
+    Handle<SharedFunctionInfo> function, FunctionLiteral* literal,
+    std::shared_ptr<Zone> parse_zone,
+    std::shared_ptr<DeferredHandles> parse_handles,
+    std::shared_ptr<DeferredHandles> compile_handles) {
   if (!CanEnqueue(function)) return false;
   if (IsEnqueued(function)) return true;
 
@@ -299,7 +302,8 @@ bool CompilerDispatcher::Enqueue(Handle<SharedFunctionInfo> function,
   }
 
   std::unique_ptr<CompilerDispatcherJob> job(new CompilerDispatcherJob(
-      isolate_, tracer_.get(), function, literal, max_stack_size_));
+      isolate_, tracer_.get(), function, literal, parse_zone, parse_handles,
+      compile_handles, max_stack_size_));
   std::pair<int, int> key(Script::cast(function->script())->id(),
                           function->function_literal_id());
   jobs_.insert(std::make_pair(key, std::move(job)));
@@ -307,9 +311,14 @@ bool CompilerDispatcher::Enqueue(Handle<SharedFunctionInfo> function,
   return true;
 }
 
-bool CompilerDispatcher::EnqueueAndStep(Handle<SharedFunctionInfo> function,
-                                        FunctionLiteral* literal) {
-  if (!Enqueue(function, literal)) return false;
+bool CompilerDispatcher::EnqueueAndStep(
+    Handle<SharedFunctionInfo> function, FunctionLiteral* literal,
+    std::shared_ptr<Zone> parse_zone,
+    std::shared_ptr<DeferredHandles> parse_handles,
+    std::shared_ptr<DeferredHandles> compile_handles) {
+  if (!Enqueue(function, literal, parse_zone, parse_handles, compile_handles)) {
+    return false;
+  }
 
   if (trace_compiler_dispatcher_) {
     PrintF("CompilerDispatcher: stepping ");