[TypeFeedbackVector] Root literal arrays in function literals slots

src/runtime/runtime-scopes.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/runtime/runtime-utils.h"
 
 #include <memory>
 
 #include "src/accessors.h"
 #include "src/arguments.h"
@@ skipping 593 matching lines @@
   DisallowHeapAllocation no_gc;
   WriteBarrierMode mode = result->GetWriteBarrierMode(no_gc);
   for (int index = 0; index < length; ++index) {
     result->set(index, frame[offset - index], mode);
   }
   return *result;
 }
 
 RUNTIME_FUNCTION(Runtime_NewClosure) {
   HandleScope scope(isolate);
-  DCHECK_EQ(1, args.length());
+  DCHECK_EQ(3, args.length());
   CONVERT_ARG_HANDLE_CHECKED(SharedFunctionInfo, shared, 0);
+  CONVERT_ARG_HANDLE_CHECKED(TypeFeedbackVector, vector, 1);
+  CONVERT_SMI_ARG_CHECKED(index, 2);
   Handle<Context> context(isolate->context(), isolate);
-  return *isolate->factory()->NewFunctionFromSharedFunctionInfo(shared, context,
-                                                                NOT_TENURED);
+  FeedbackVectorSlot slot = TypeFeedbackVector::ToSlot(index);
+  Handle<LiteralsArray> literals(LiteralsArray::cast(vector->Get(slot)),
+                                 isolate);
+  Handle<JSFunction> function =
+      isolate->factory()->NewFunctionFromSharedFunctionInfo(
+          shared, context, literals, NOT_TENURED);
+  return *function;
 }
 
 
 RUNTIME_FUNCTION(Runtime_NewClosure_Tenured) {
   HandleScope scope(isolate);
-  DCHECK_EQ(1, args.length());
+  DCHECK_EQ(3, args.length());
   CONVERT_ARG_HANDLE_CHECKED(SharedFunctionInfo, shared, 0);
+  CONVERT_ARG_HANDLE_CHECKED(TypeFeedbackVector, vector, 1);
+  CONVERT_SMI_ARG_CHECKED(index, 2);
   Handle<Context> context(isolate->context(), isolate);
+  FeedbackVectorSlot slot = TypeFeedbackVector::ToSlot(index);
+  Handle<LiteralsArray> literals(LiteralsArray::cast(vector->Get(slot)),
+                                 isolate);
   // The caller ensures that we pretenure closures that are assigned
   // directly to properties.
-  return *isolate->factory()->NewFunctionFromSharedFunctionInfo(shared, context,
-                                                                TENURED);
+  Handle<JSFunction> function =
+      isolate->factory()->NewFunctionFromSharedFunctionInfo(shared, context,
+                                                            literals, TENURED);
+  return *function;
 }
 
 static Object* FindNameClash(Handle<ScopeInfo> scope_info,
                              Handle<JSGlobalObject> global_object,
                              Handle<ScriptContextTable> script_context) {
   Isolate* isolate = scope_info->GetIsolate();
   for (int var = 0; var < scope_info->ContextLocalCount(); var++) {
     Handle<String> name(scope_info->ContextLocalName(var));
     VariableMode mode = scope_info->ContextLocalMode(var);
     ScriptContextTable::LookupResult lookup;
@@ skipping 334 matching lines @@
 RUNTIME_FUNCTION(Runtime_StoreLookupSlot_Strict) {
   HandleScope scope(isolate);
   DCHECK_EQ(2, args.length());
   CONVERT_ARG_HANDLE_CHECKED(String, name, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, value, 1);
   RETURN_RESULT_OR_FAILURE(isolate, StoreLookupSlot(name, value, STRICT));
 }
 
 }  // namespace internal
 }  // namespace v8