Split yet more runtime functions into separate files.

src/runtime/runtime.cc

 // Copyright 2012 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 <stdlib.h>
 #include <limits>
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
-#include "src/allocation-site-scopes.h"
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/bailout-reason.h"
 #include "src/base/cpu.h"
 #include "src/base/platform/platform.h"
 #include "src/bootstrapper.h"
-#include "src/codegen.h"
-#include "src/compilation-cache.h"
-#include "src/compiler.h"
 #include "src/conversions.h"
-#include "src/deoptimizer.h"
-#include "src/execution.h"
-#include "src/full-codegen.h"
 #include "src/global-handles.h"
 #include "src/isolate-inl.h"
-#include "src/parser.h"
 #include "src/prototype.h"
 #include "src/runtime/runtime.h"
 #include "src/runtime/runtime-utils.h"
-#include "src/scopeinfo.h"
-#include "src/smart-pointers.h"
 #include "src/utils.h"
-#include "src/v8threads.h"
 
 
 namespace v8 {
 namespace internal {
 
 // Header of runtime functions.
 #define F(name, number_of_args, result_size)                    \
   Object* Runtime_##name(int args_length, Object** args_object, \
                          Isolate* isolate);
 
 #define P(name, number_of_args, result_size)                       \
   ObjectPair Runtime_##name(int args_length, Object** args_object, \
                             Isolate* isolate);
 
 #define I(name, number_of_args, result_size)                             \
   Object* RuntimeReference_##name(int args_length, Object** args_object, \
                                   Isolate* isolate);
 
 RUNTIME_FUNCTION_LIST_RETURN_OBJECT(F)
 RUNTIME_FUNCTION_LIST_RETURN_PAIR(P)
 INLINE_OPTIMIZED_FUNCTION_LIST(F)
 INLINE_FUNCTION_LIST(I)
 
 #undef I
 #undef F
 #undef P
 
 
-static Handle<Map> ComputeObjectLiteralMap(
-    Handle<Context> context, Handle<FixedArray> constant_properties,
-    bool* is_result_from_cache) {
-  Isolate* isolate = context->GetIsolate();
-  int properties_length = constant_properties->length();
-  int number_of_properties = properties_length / 2;
-  // Check that there are only internal strings and array indices among keys.
-  int number_of_string_keys = 0;
-  for (int p = 0; p != properties_length; p += 2) {
-    Object* key = constant_properties->get(p);
-    uint32_t element_index = 0;
-    if (key->IsInternalizedString()) {
-      number_of_string_keys++;
-    } else if (key->ToArrayIndex(&element_index)) {
-      // An index key does not require space in the property backing store.
-      number_of_properties--;
-    } else {
-      // Bail out as a non-internalized-string non-index key makes caching
-      // impossible.
-      // DCHECK to make sure that the if condition after the loop is false.
-      DCHECK(number_of_string_keys != number_of_properties);
-      break;
-    }
-  }
-  // If we only have internalized strings and array indices among keys then we
-  // can use the map cache in the native context.
-  const int kMaxKeys = 10;
-  if ((number_of_string_keys == number_of_properties) &&
-      (number_of_string_keys < kMaxKeys)) {
-    // Create the fixed array with the key.
-    Handle<FixedArray> keys =
-        isolate->factory()->NewFixedArray(number_of_string_keys);
-    if (number_of_string_keys > 0) {
-      int index = 0;
-      for (int p = 0; p < properties_length; p += 2) {
-        Object* key = constant_properties->get(p);
-        if (key->IsInternalizedString()) {
-          keys->set(index++, key);
-        }
-      }
-      DCHECK(index == number_of_string_keys);
-    }
-    *is_result_from_cache = true;
-    return isolate->factory()->ObjectLiteralMapFromCache(context, keys);
-  }
-  *is_result_from_cache = false;
-  return Map::Create(isolate, number_of_properties);
-}
-
-
-MUST_USE_RESULT static MaybeHandle<Object> CreateLiteralBoilerplate(
-    Isolate* isolate, Handle<FixedArray> literals,
-    Handle<FixedArray> constant_properties);
-
-
-MUST_USE_RESULT static MaybeHandle<Object> CreateObjectLiteralBoilerplate(
-    Isolate* isolate, Handle<FixedArray> literals,
-    Handle<FixedArray> constant_properties, bool should_have_fast_elements,
-    bool has_function_literal) {
-  // Get the native context from the literals array.  This is the
-  // context in which the function was created and we use the object
-  // function from this context to create the object literal.  We do
-  // not use the object function from the current native context
-  // because this might be the object function from another context
-  // which we should not have access to.
-  Handle<Context> context =
-      Handle<Context>(JSFunction::NativeContextFromLiterals(*literals));
-
-  // In case we have function literals, we want the object to be in
-  // slow properties mode for now. We don't go in the map cache because
-  // maps with constant functions can't be shared if the functions are
-  // not the same (which is the common case).
-  bool is_result_from_cache = false;
-  Handle<Map> map = has_function_literal
-                        ? Handle<Map>(context->object_function()->initial_map())
-                        : ComputeObjectLiteralMap(context, constant_properties,
-                                                  &is_result_from_cache);
-
-  PretenureFlag pretenure_flag =
-      isolate->heap()->InNewSpace(*literals) ? NOT_TENURED : TENURED;
-
-  Handle<JSObject> boilerplate =
-      isolate->factory()->NewJSObjectFromMap(map, pretenure_flag);
-
-  // Normalize the elements of the boilerplate to save space if needed.
-  if (!should_have_fast_elements) JSObject::NormalizeElements(boilerplate);
-
-  // Add the constant properties to the boilerplate.
-  int length = constant_properties->length();
-  bool should_transform =
-      !is_result_from_cache && boilerplate->HasFastProperties();
-  bool should_normalize = should_transform || has_function_literal;
-  if (should_normalize) {
-    // TODO(verwaest): We might not want to ever normalize here.
-    JSObject::NormalizeProperties(boilerplate, KEEP_INOBJECT_PROPERTIES,
-                                  length / 2);
-  }
-  // TODO(verwaest): Support tracking representations in the boilerplate.
-  for (int index = 0; index < length; index += 2) {
-    Handle<Object> key(constant_properties->get(index + 0), isolate);
-    Handle<Object> value(constant_properties->get(index + 1), isolate);
-    if (value->IsFixedArray()) {
-      // The value contains the constant_properties of a
-      // simple object or array literal.
-      Handle<FixedArray> array = Handle<FixedArray>::cast(value);
-      ASSIGN_RETURN_ON_EXCEPTION(
-          isolate, value, CreateLiteralBoilerplate(isolate, literals, array),
-          Object);
-    }
-    MaybeHandle<Object> maybe_result;
-    uint32_t element_index = 0;
-    if (key->IsInternalizedString()) {
-      if (Handle<String>::cast(key)->AsArrayIndex(&element_index)) {
-        // Array index as string (uint32).
-        if (value->IsUninitialized()) value = handle(Smi::FromInt(0), isolate);
-        maybe_result =
-            JSObject::SetOwnElement(boilerplate, element_index, value, SLOPPY);
-      } else {
-        Handle<String> name(String::cast(*key));
-        DCHECK(!name->AsArrayIndex(&element_index));
-        maybe_result = JSObject::SetOwnPropertyIgnoreAttributes(
-            boilerplate, name, value, NONE);
-      }
-    } else if (key->ToArrayIndex(&element_index)) {
-      // Array index (uint32).
-      if (value->IsUninitialized()) value = handle(Smi::FromInt(0), isolate);
-      maybe_result =
-          JSObject::SetOwnElement(boilerplate, element_index, value, SLOPPY);
-    } else {
-      // Non-uint32 number.
-      DCHECK(key->IsNumber());
-      double num = key->Number();
-      char arr[100];
-      Vector<char> buffer(arr, arraysize(arr));
-      const char* str = DoubleToCString(num, buffer);
-      Handle<String> name = isolate->factory()->NewStringFromAsciiChecked(str);
-      maybe_result = JSObject::SetOwnPropertyIgnoreAttributes(boilerplate, name,
-                                                              value, NONE);
-    }
-    // If setting the property on the boilerplate throws an
-    // exception, the exception is converted to an empty handle in
-    // the handle based operations.  In that case, we need to
-    // convert back to an exception.
-    RETURN_ON_EXCEPTION(isolate, maybe_result, Object);
-  }
-
-  // Transform to fast properties if necessary. For object literals with
-  // containing function literals we defer this operation until after all
-  // computed properties have been assigned so that we can generate
-  // constant function properties.
-  if (should_transform && !has_function_literal) {
-    JSObject::MigrateSlowToFast(boilerplate,
-                                boilerplate->map()->unused_property_fields());
-  }
-
-  return boilerplate;
-}
-
-
 MUST_USE_RESULT static MaybeHandle<Object> TransitionElements(
     Handle<Object> object, ElementsKind to_kind, Isolate* isolate) {
   HandleScope scope(isolate);
   if (!object->IsJSObject()) {
     isolate->ThrowIllegalOperation();
     return MaybeHandle<Object>();
   }
   ElementsKind from_kind =
       Handle<JSObject>::cast(object)->map()->elements_kind();
   if (Map::IsValidElementsTransition(from_kind, to_kind)) {
     JSObject::TransitionElementsKind(Handle<JSObject>::cast(object), to_kind);
     return object;
   }
   isolate->ThrowIllegalOperation();
   return MaybeHandle<Object>();
 }
 
 
-MaybeHandle<Object> Runtime::CreateArrayLiteralBoilerplate(
-    Isolate* isolate, Handle<FixedArray> literals,
-    Handle<FixedArray> elements) {
-  // Create the JSArray.
-  Handle<JSFunction> constructor(
-      JSFunction::NativeContextFromLiterals(*literals)->array_function());
-
-  PretenureFlag pretenure_flag =
-      isolate->heap()->InNewSpace(*literals) ? NOT_TENURED : TENURED;
-
-  Handle<JSArray> object = Handle<JSArray>::cast(
-      isolate->factory()->NewJSObject(constructor, pretenure_flag));
-
-  ElementsKind constant_elements_kind =
-      static_cast<ElementsKind>(Smi::cast(elements->get(0))->value());
-  Handle<FixedArrayBase> constant_elements_values(
-      FixedArrayBase::cast(elements->get(1)));
-
-  {
-    DisallowHeapAllocation no_gc;
-    DCHECK(IsFastElementsKind(constant_elements_kind));
-    Context* native_context = isolate->context()->native_context();
-    Object* maps_array = native_context->js_array_maps();
-    DCHECK(!maps_array->IsUndefined());
-    Object* map = FixedArray::cast(maps_array)->get(constant_elements_kind);
-    object->set_map(Map::cast(map));
-  }
-
-  Handle<FixedArrayBase> copied_elements_values;
-  if (IsFastDoubleElementsKind(constant_elements_kind)) {
-    copied_elements_values = isolate->factory()->CopyFixedDoubleArray(
-        Handle<FixedDoubleArray>::cast(constant_elements_values));
-  } else {
-    DCHECK(IsFastSmiOrObjectElementsKind(constant_elements_kind));
-    const bool is_cow = (constant_elements_values->map() ==
-                         isolate->heap()->fixed_cow_array_map());
-    if (is_cow) {
-      copied_elements_values = constant_elements_values;
-#if DEBUG
-      Handle<FixedArray> fixed_array_values =
-          Handle<FixedArray>::cast(copied_elements_values);
-      for (int i = 0; i < fixed_array_values->length(); i++) {
-        DCHECK(!fixed_array_values->get(i)->IsFixedArray());
-      }
-#endif
-    } else {
-      Handle<FixedArray> fixed_array_values =
-          Handle<FixedArray>::cast(constant_elements_values);
-      Handle<FixedArray> fixed_array_values_copy =
-          isolate->factory()->CopyFixedArray(fixed_array_values);
-      copied_elements_values = fixed_array_values_copy;
-      for (int i = 0; i < fixed_array_values->length(); i++) {
-        if (fixed_array_values->get(i)->IsFixedArray()) {
-          // The value contains the constant_properties of a
-          // simple object or array literal.
-          Handle<FixedArray> fa(FixedArray::cast(fixed_array_values->get(i)));
-          Handle<Object> result;
-          ASSIGN_RETURN_ON_EXCEPTION(
-              isolate, result, CreateLiteralBoilerplate(isolate, literals, fa),
-              Object);
-          fixed_array_values_copy->set(i, *result);
-        }
-      }
-    }
-  }
-  object->set_elements(*copied_elements_values);
-  object->set_length(Smi::FromInt(copied_elements_values->length()));
-
-  JSObject::ValidateElements(object);
-  return object;
-}
-
-
-MUST_USE_RESULT static MaybeHandle<Object> CreateLiteralBoilerplate(
-    Isolate* isolate, Handle<FixedArray> literals, Handle<FixedArray> array) {
-  Handle<FixedArray> elements = CompileTimeValue::GetElements(array);
-  const bool kHasNoFunctionLiteral = false;
-  switch (CompileTimeValue::GetLiteralType(array)) {
-    case CompileTimeValue::OBJECT_LITERAL_FAST_ELEMENTS:
-      return CreateObjectLiteralBoilerplate(isolate, literals, elements, true,
-                                            kHasNoFunctionLiteral);
-    case CompileTimeValue::OBJECT_LITERAL_SLOW_ELEMENTS:
-      return CreateObjectLiteralBoilerplate(isolate, literals, elements, false,
-                                            kHasNoFunctionLiteral);
-    case CompileTimeValue::ARRAY_LITERAL:
-      return Runtime::CreateArrayLiteralBoilerplate(isolate, literals,
-                                                    elements);
-    default:
-      UNREACHABLE();
-      return MaybeHandle<Object>();
-  }
-}
-
-
-RUNTIME_FUNCTION(Runtime_CreateObjectLiteral) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 4);
-  CONVERT_ARG_HANDLE_CHECKED(FixedArray, literals, 0);
-  CONVERT_SMI_ARG_CHECKED(literals_index, 1);
-  CONVERT_ARG_HANDLE_CHECKED(FixedArray, constant_properties, 2);
-  CONVERT_SMI_ARG_CHECKED(flags, 3);
-  bool should_have_fast_elements = (flags & ObjectLiteral::kFastElements) != 0;
-  bool has_function_literal = (flags & ObjectLiteral::kHasFunction) != 0;
-
-  RUNTIME_ASSERT(literals_index >= 0 && literals_index < literals->length());
-
-  // Check if boilerplate exists. If not, create it first.
-  Handle<Object> literal_site(literals->get(literals_index), isolate);
-  Handle<AllocationSite> site;
-  Handle<JSObject> boilerplate;
-  if (*literal_site == isolate->heap()->undefined_value()) {
-    Handle<Object> raw_boilerplate;
-    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-        isolate, raw_boilerplate,
-        CreateObjectLiteralBoilerplate(isolate, literals, constant_properties,
-                                       should_have_fast_elements,
-                                       has_function_literal));
-    boilerplate = Handle<JSObject>::cast(raw_boilerplate);
-
-    AllocationSiteCreationContext creation_context(isolate);
-    site = creation_context.EnterNewScope();
-    RETURN_FAILURE_ON_EXCEPTION(
-        isolate, JSObject::DeepWalk(boilerplate, &creation_context));
-    creation_context.ExitScope(site, boilerplate);
-
-    // Update the functions literal and return the boilerplate.
-    literals->set(literals_index, *site);
-  } else {
-    site = Handle<AllocationSite>::cast(literal_site);
-    boilerplate =
-        Handle<JSObject>(JSObject::cast(site->transition_info()), isolate);
-  }
-
-  AllocationSiteUsageContext usage_context(isolate, site, true);
-  usage_context.EnterNewScope();
-  MaybeHandle<Object> maybe_copy =
-      JSObject::DeepCopy(boilerplate, &usage_context);
-  usage_context.ExitScope(site, boilerplate);
-  Handle<Object> copy;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, copy, maybe_copy);
-  return *copy;
-}
-
-
-MUST_USE_RESULT static MaybeHandle<AllocationSite> GetLiteralAllocationSite(
-    Isolate* isolate, Handle<FixedArray> literals, int literals_index,
-    Handle<FixedArray> elements) {
-  // Check if boilerplate exists. If not, create it first.
-  Handle<Object> literal_site(literals->get(literals_index), isolate);
-  Handle<AllocationSite> site;
-  if (*literal_site == isolate->heap()->undefined_value()) {
-    DCHECK(*elements != isolate->heap()->empty_fixed_array());
-    Handle<Object> boilerplate;
-    ASSIGN_RETURN_ON_EXCEPTION(
-        isolate, boilerplate,
-        Runtime::CreateArrayLiteralBoilerplate(isolate, literals, elements),
-        AllocationSite);
-
-    AllocationSiteCreationContext creation_context(isolate);
-    site = creation_context.EnterNewScope();
-    if (JSObject::DeepWalk(Handle<JSObject>::cast(boilerplate),
-                           &creation_context).is_null()) {
-      return Handle<AllocationSite>::null();
-    }
-    creation_context.ExitScope(site, Handle<JSObject>::cast(boilerplate));
-
-    literals->set(literals_index, *site);
-  } else {
-    site = Handle<AllocationSite>::cast(literal_site);
-  }
-
-  return site;
-}
-
-
-static MaybeHandle<JSObject> CreateArrayLiteralImpl(Isolate* isolate,
-                                                    Handle<FixedArray> literals,
-                                                    int literals_index,
-                                                    Handle<FixedArray> elements,
-                                                    int flags) {
-  RUNTIME_ASSERT_HANDLIFIED(
-      literals_index >= 0 && literals_index < literals->length(), JSObject);
-  Handle<AllocationSite> site;
-  ASSIGN_RETURN_ON_EXCEPTION(
-      isolate, site,
-      GetLiteralAllocationSite(isolate, literals, literals_index, elements),
-      JSObject);
-
-  bool enable_mementos = (flags & ArrayLiteral::kDisableMementos) == 0;
-  Handle<JSObject> boilerplate(JSObject::cast(site->transition_info()));
-  AllocationSiteUsageContext usage_context(isolate, site, enable_mementos);
-  usage_context.EnterNewScope();
-  JSObject::DeepCopyHints hints = (flags & ArrayLiteral::kShallowElements) == 0
-                                      ? JSObject::kNoHints
-                                      : JSObject::kObjectIsShallow;
-  MaybeHandle<JSObject> copy =
-      JSObject::DeepCopy(boilerplate, &usage_context, hints);
-  usage_context.ExitScope(site, boilerplate);
-  return copy;
-}
-
-
-RUNTIME_FUNCTION(Runtime_CreateArrayLiteral) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 4);
-  CONVERT_ARG_HANDLE_CHECKED(FixedArray, literals, 0);
-  CONVERT_SMI_ARG_CHECKED(literals_index, 1);
-  CONVERT_ARG_HANDLE_CHECKED(FixedArray, elements, 2);
-  CONVERT_SMI_ARG_CHECKED(flags, 3);
-
-  Handle<JSObject> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, result, CreateArrayLiteralImpl(isolate, literals, literals_index,
-                                              elements, flags));
-  return *result;
-}
-
-
-RUNTIME_FUNCTION(Runtime_CreateArrayLiteralStubBailout) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 3);
-  CONVERT_ARG_HANDLE_CHECKED(FixedArray, literals, 0);
-  CONVERT_SMI_ARG_CHECKED(literals_index, 1);
-  CONVERT_ARG_HANDLE_CHECKED(FixedArray, elements, 2);
-
-  Handle<JSObject> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, result,
-      CreateArrayLiteralImpl(isolate, literals, literals_index, elements,
-                             ArrayLiteral::kShallowElements));
-  return *result;
-}
-
-
-RUNTIME_FUNCTION(Runtime_CreateSymbol) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, name, 0);
-  RUNTIME_ASSERT(name->IsString() || name->IsUndefined());
-  Handle<Symbol> symbol = isolate->factory()->NewSymbol();
-  if (name->IsString()) symbol->set_name(*name);
-  return *symbol;
-}
-
-
-RUNTIME_FUNCTION(Runtime_CreatePrivateSymbol) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, name, 0);
-  RUNTIME_ASSERT(name->IsString() || name->IsUndefined());
-  Handle<Symbol> symbol = isolate->factory()->NewPrivateSymbol();
-  if (name->IsString()) symbol->set_name(*name);
-  return *symbol;
-}
-
-
-RUNTIME_FUNCTION(Runtime_CreatePrivateOwnSymbol) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, name, 0);
-  RUNTIME_ASSERT(name->IsString() || name->IsUndefined());
-  Handle<Symbol> symbol = isolate->factory()->NewPrivateOwnSymbol();
-  if (name->IsString()) symbol->set_name(*name);
-  return *symbol;
-}
-
-
-RUNTIME_FUNCTION(Runtime_CreateGlobalPrivateOwnSymbol) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(String, name, 0);
-  Handle<JSObject> registry = isolate->GetSymbolRegistry();
-  Handle<String> part = isolate->factory()->private_intern_string();
-  Handle<Object> privates;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, privates, Object::GetPropertyOrElement(registry, part));
-  Handle<Object> symbol;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, symbol, Object::GetPropertyOrElement(privates, name));
-  if (!symbol->IsSymbol()) {
-    DCHECK(symbol->IsUndefined());
-    symbol = isolate->factory()->NewPrivateSymbol();
-    Handle<Symbol>::cast(symbol)->set_name(*name);
-    Handle<Symbol>::cast(symbol)->set_is_own(true);
-    JSObject::SetProperty(Handle<JSObject>::cast(privates), name, symbol,
-                          STRICT).Assert();
-  }
-  return *symbol;
-}
-
-
-RUNTIME_FUNCTION(Runtime_NewSymbolWrapper) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(Symbol, symbol, 0);
-  return *Object::ToObject(isolate, symbol).ToHandleChecked();
-}
-
-
-RUNTIME_FUNCTION(Runtime_SymbolDescription) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(Symbol, symbol, 0);
-  return symbol->name();
-}
-
-
-RUNTIME_FUNCTION(Runtime_SymbolRegistry) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 0);
-  return *isolate->GetSymbolRegistry();
-}
-
-
-RUNTIME_FUNCTION(Runtime_SymbolIsPrivate) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(Symbol, symbol, 0);
-  return isolate->heap()->ToBoolean(symbol->is_private());
-}
-
-
-RUNTIME_FUNCTION(Runtime_CreateJSProxy) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 2);
-  CONVERT_ARG_HANDLE_CHECKED(JSReceiver, handler, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Object, prototype, 1);
-  if (!prototype->IsJSReceiver()) prototype = isolate->factory()->null_value();
-  return *isolate->factory()->NewJSProxy(handler, prototype);
-}
-
-
-RUNTIME_FUNCTION(Runtime_CreateJSFunctionProxy) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 4);
-  CONVERT_ARG_HANDLE_CHECKED(JSReceiver, handler, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Object, call_trap, 1);
-  RUNTIME_ASSERT(call_trap->IsJSFunction() || call_trap->IsJSFunctionProxy());
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, construct_trap, 2);
-  CONVERT_ARG_HANDLE_CHECKED(Object, prototype, 3);
-  if (!prototype->IsJSReceiver()) prototype = isolate->factory()->null_value();
-  return *isolate->factory()->NewJSFunctionProxy(handler, call_trap,
-                                                 construct_trap, prototype);
-}
-
-
-RUNTIME_FUNCTION(Runtime_IsJSProxy) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, obj, 0);
-  return isolate->heap()->ToBoolean(obj->IsJSProxy());
-}
-
-
-RUNTIME_FUNCTION(Runtime_IsJSFunctionProxy) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, obj, 0);
-  return isolate->heap()->ToBoolean(obj->IsJSFunctionProxy());
-}
-
-
-RUNTIME_FUNCTION(Runtime_GetHandler) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(JSProxy, proxy, 0);
-  return proxy->handler();
-}
-
-
-RUNTIME_FUNCTION(Runtime_GetCallTrap) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(JSFunctionProxy, proxy, 0);
-  return proxy->call_trap();
-}
-
-
-RUNTIME_FUNCTION(Runtime_GetConstructTrap) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(JSFunctionProxy, proxy, 0);
-  return proxy->construct_trap();
-}
-
-
-RUNTIME_FUNCTION(Runtime_Fix) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSProxy, proxy, 0);
-  JSProxy::Fix(proxy);
-  return isolate->heap()->undefined_value();
-}
-
-
 RUNTIME_FUNCTION(Runtime_GetPrototype) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(Object, obj, 0);
   // We don't expect access checks to be needed on JSProxy objects.
   DCHECK(!obj->IsAccessCheckNeeded() || obj->IsJSObject());
   PrototypeIterator iter(isolate, obj, PrototypeIterator::START_AT_RECEIVER);
   do {
     if (PrototypeIterator::GetCurrent(iter)->IsAccessCheckNeeded() &&
         !isolate->MayNamedAccess(
@@ skipping 355 matching lines @@
   Handle<Map> old_map(object->map());
   RUNTIME_ASSERT(!old_map->is_access_check_needed());
   // Copy map so it won't interfere constructor's initial map.
   Handle<Map> new_map = Map::Copy(old_map);
   new_map->set_is_access_check_needed(true);
   JSObject::MigrateToMap(object, new_map);
   return isolate->heap()->undefined_value();
 }
 
 
-static Object* ThrowRedeclarationError(Isolate* isolate, Handle<String> name) {
-  HandleScope scope(isolate);
-  Handle<Object> args[1] = {name};
-  THROW_NEW_ERROR_RETURN_FAILURE(
-      isolate, NewTypeError("var_redeclaration", HandleVector(args, 1)));
-}
-
-
-// May throw a RedeclarationError.
-static Object* DeclareGlobals(Isolate* isolate, Handle<GlobalObject> global,
-                              Handle<String> name, Handle<Object> value,
-                              PropertyAttributes attr, bool is_var,
-                              bool is_const, bool is_function) {
-  // Do the lookup own properties only, see ES5 erratum.
-  LookupIterator it(global, name, LookupIterator::HIDDEN_SKIP_INTERCEPTOR);
-  Maybe<PropertyAttributes> maybe = JSReceiver::GetPropertyAttributes(&it);
-  if (!maybe.has_value) return isolate->heap()->exception();
-
-  if (it.IsFound()) {
-    PropertyAttributes old_attributes = maybe.value;
-    // The name was declared before; check for conflicting re-declarations.
-    if (is_const) return ThrowRedeclarationError(isolate, name);
-
-    // Skip var re-declarations.
-    if (is_var) return isolate->heap()->undefined_value();
-
-    DCHECK(is_function);
-    if ((old_attributes & DONT_DELETE) != 0) {
-      // Only allow reconfiguring globals to functions in user code (no
-      // natives, which are marked as read-only).
-      DCHECK((attr & READ_ONLY) == 0);
-
-      // Check whether we can reconfigure the existing property into a
-      // function.
-      PropertyDetails old_details = it.property_details();
-      // TODO(verwaest): CALLBACKS invalidly includes ExecutableAccessInfo,
-      // which are actually data properties, not accessor properties.
-      if (old_details.IsReadOnly() || old_details.IsDontEnum() ||
-          old_details.type() == CALLBACKS) {
-        return ThrowRedeclarationError(isolate, name);
-      }
-      // If the existing property is not configurable, keep its attributes. Do
-      attr = old_attributes;
-    }
-  }
-
-  // Define or redefine own property.
-  RETURN_FAILURE_ON_EXCEPTION(isolate, JSObject::SetOwnPropertyIgnoreAttributes(
-                                           global, name, value, attr));
-
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_DeclareGlobals) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 3);
-  Handle<GlobalObject> global(isolate->global_object());
-
-  CONVERT_ARG_HANDLE_CHECKED(Context, context, 0);
-  CONVERT_ARG_HANDLE_CHECKED(FixedArray, pairs, 1);
-  CONVERT_SMI_ARG_CHECKED(flags, 2);
-
-  // Traverse the name/value pairs and set the properties.
-  int length = pairs->length();
-  for (int i = 0; i < length; i += 2) {
-    HandleScope scope(isolate);
-    Handle<String> name(String::cast(pairs->get(i)));
-    Handle<Object> initial_value(pairs->get(i + 1), isolate);
-
-    // We have to declare a global const property. To capture we only
-    // assign to it when evaluating the assignment for "const x =
-    // <expr>" the initial value is the hole.
-    bool is_var = initial_value->IsUndefined();
-    bool is_const = initial_value->IsTheHole();
-    bool is_function = initial_value->IsSharedFunctionInfo();
-    DCHECK(is_var + is_const + is_function == 1);
-
-    Handle<Object> value;
-    if (is_function) {
-      // Copy the function and update its context. Use it as value.
-      Handle<SharedFunctionInfo> shared =
-          Handle<SharedFunctionInfo>::cast(initial_value);
-      Handle<JSFunction> function =
-          isolate->factory()->NewFunctionFromSharedFunctionInfo(shared, context,
-                                                                TENURED);
-      value = function;
-    } else {
-      value = isolate->factory()->undefined_value();
-    }
-
-    // Compute the property attributes. According to ECMA-262,
-    // the property must be non-configurable except in eval.
-    bool is_native = DeclareGlobalsNativeFlag::decode(flags);
-    bool is_eval = DeclareGlobalsEvalFlag::decode(flags);
-    int attr = NONE;
-    if (is_const) attr |= READ_ONLY;
-    if (is_function && is_native) attr |= READ_ONLY;
-    if (!is_const && !is_eval) attr |= DONT_DELETE;
-
-    Object* result = DeclareGlobals(isolate, global, name, value,
-                                    static_cast<PropertyAttributes>(attr),
-                                    is_var, is_const, is_function);
-    if (isolate->has_pending_exception()) return result;
-  }
-
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_InitializeVarGlobal) {
-  HandleScope scope(isolate);
-  // args[0] == name
-  // args[1] == language_mode
-  // args[2] == value (optional)
-
-  // Determine if we need to assign to the variable if it already
-  // exists (based on the number of arguments).
-  RUNTIME_ASSERT(args.length() == 3);
-
-  CONVERT_ARG_HANDLE_CHECKED(String, name, 0);
-  CONVERT_STRICT_MODE_ARG_CHECKED(strict_mode, 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, value, 2);
-
-  Handle<GlobalObject> global(isolate->context()->global_object());
-  Handle<Object> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, result, Object::SetProperty(global, name, value, strict_mode));
-  return *result;
-}
-
-
-RUNTIME_FUNCTION(Runtime_InitializeConstGlobal) {
-  HandleScope handle_scope(isolate);
-  // All constants are declared with an initial value. The name
-  // of the constant is the first argument and the initial value
-  // is the second.
-  RUNTIME_ASSERT(args.length() == 2);
-  CONVERT_ARG_HANDLE_CHECKED(String, name, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Object, value, 1);
-
-  Handle<GlobalObject> global = isolate->global_object();
-
-  // Lookup the property as own on the global object.
-  LookupIterator it(global, name, LookupIterator::HIDDEN_SKIP_INTERCEPTOR);
-  Maybe<PropertyAttributes> maybe = JSReceiver::GetPropertyAttributes(&it);
-  DCHECK(maybe.has_value);
-  PropertyAttributes old_attributes = maybe.value;
-
-  PropertyAttributes attr =
-      static_cast<PropertyAttributes>(DONT_DELETE | READ_ONLY);
-  // Set the value if the property is either missing, or the property attributes
-  // allow setting the value without invoking an accessor.
-  if (it.IsFound()) {
-    // Ignore if we can't reconfigure the value.
-    if ((old_attributes & DONT_DELETE) != 0) {
-      if ((old_attributes & READ_ONLY) != 0 ||
-          it.state() == LookupIterator::ACCESSOR) {
-        return *value;
-      }
-      attr = static_cast<PropertyAttributes>(old_attributes | READ_ONLY);
-    }
-  }
-
-  RETURN_FAILURE_ON_EXCEPTION(isolate, JSObject::SetOwnPropertyIgnoreAttributes(
-                                           global, name, value, attr));
-
-  return *value;
-}
-
-
-RUNTIME_FUNCTION(Runtime_DeclareLookupSlot) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 4);
-
-  // Declarations are always made in a function, native, or global context. In
-  // the case of eval code, the context passed is the context of the caller,
-  // which may be some nested context and not the declaration context.
-  CONVERT_ARG_HANDLE_CHECKED(Context, context_arg, 0);
-  Handle<Context> context(context_arg->declaration_context());
-  CONVERT_ARG_HANDLE_CHECKED(String, name, 1);
-  CONVERT_SMI_ARG_CHECKED(attr_arg, 2);
-  PropertyAttributes attr = static_cast<PropertyAttributes>(attr_arg);
-  RUNTIME_ASSERT(attr == READ_ONLY || attr == NONE);
-  CONVERT_ARG_HANDLE_CHECKED(Object, initial_value, 3);
-
-  // TODO(verwaest): Unify the encoding indicating "var" with DeclareGlobals.
-  bool is_var = *initial_value == NULL;
-  bool is_const = initial_value->IsTheHole();
-  bool is_function = initial_value->IsJSFunction();
-  DCHECK(is_var + is_const + is_function == 1);
-
-  int index;
-  PropertyAttributes attributes;
-  ContextLookupFlags flags = DONT_FOLLOW_CHAINS;
-  BindingFlags binding_flags;
-  Handle<Object> holder =
-      context->Lookup(name, flags, &index, &attributes, &binding_flags);
-
-  Handle<JSObject> object;
-  Handle<Object> value =
-      is_function ? initial_value
-                  : Handle<Object>::cast(isolate->factory()->undefined_value());
-
-  // TODO(verwaest): This case should probably not be covered by this function,
-  // but by DeclareGlobals instead.
-  if ((attributes != ABSENT && holder->IsJSGlobalObject()) ||
-      (context_arg->has_extension() &&
-       context_arg->extension()->IsJSGlobalObject())) {
-    return DeclareGlobals(isolate, Handle<JSGlobalObject>::cast(holder), name,
-                          value, attr, is_var, is_const, is_function);
-  }
-
-  if (attributes != ABSENT) {
-    // The name was declared before; check for conflicting re-declarations.
-    if (is_const || (attributes & READ_ONLY) != 0) {
-      return ThrowRedeclarationError(isolate, name);
-    }
-
-    // Skip var re-declarations.
-    if (is_var) return isolate->heap()->undefined_value();
-
-    DCHECK(is_function);
-    if (index >= 0) {
-      DCHECK(holder.is_identical_to(context));
-      context->set(index, *initial_value);
-      return isolate->heap()->undefined_value();
-    }
-
-    object = Handle<JSObject>::cast(holder);
-
-  } else if (context->has_extension()) {
-    object = handle(JSObject::cast(context->extension()));
-    DCHECK(object->IsJSContextExtensionObject() || object->IsJSGlobalObject());
-  } else {
-    DCHECK(context->IsFunctionContext());
-    object =
-        isolate->factory()->NewJSObject(isolate->context_extension_function());
-    context->set_extension(*object);
-  }
-
-  RETURN_FAILURE_ON_EXCEPTION(isolate, JSObject::SetOwnPropertyIgnoreAttributes(
-                                           object, name, value, attr));
-
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_InitializeLegacyConstLookupSlot) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 3);
-
-  CONVERT_ARG_HANDLE_CHECKED(Object, value, 0);
-  DCHECK(!value->IsTheHole());
-  // Initializations are always done in a function or native context.
-  CONVERT_ARG_HANDLE_CHECKED(Context, context_arg, 1);
-  Handle<Context> context(context_arg->declaration_context());
-  CONVERT_ARG_HANDLE_CHECKED(String, name, 2);
-
-  int index;
-  PropertyAttributes attributes;
-  ContextLookupFlags flags = DONT_FOLLOW_CHAINS;
-  BindingFlags binding_flags;
-  Handle<Object> holder =
-      context->Lookup(name, flags, &index, &attributes, &binding_flags);
-
-  if (index >= 0) {
-    DCHECK(holder->IsContext());
-    // Property was found in a context.  Perform the assignment if the constant
-    // was uninitialized.
-    Handle<Context> context = Handle<Context>::cast(holder);
-    DCHECK((attributes & READ_ONLY) != 0);
-    if (context->get(index)->IsTheHole()) context->set(index, *value);
-    return *value;
-  }
-
-  PropertyAttributes attr =
-      static_cast<PropertyAttributes>(DONT_DELETE | READ_ONLY);
-
-  // Strict mode handling not needed (legacy const is disallowed in strict
-  // mode).
-
-  // The declared const was configurable, and may have been deleted in the
-  // meanwhile. If so, re-introduce the variable in the context extension.
-  DCHECK(context_arg->has_extension());
-  if (attributes == ABSENT) {
-    holder = handle(context_arg->extension(), isolate);
-  } else {
-    // For JSContextExtensionObjects, the initializer can be run multiple times
-    // if in a for loop: for (var i = 0; i < 2; i++) { const x = i; }. Only the
-    // first assignment should go through. For JSGlobalObjects, additionally any
-    // code can run in between that modifies the declared property.
-    DCHECK(holder->IsJSGlobalObject() || holder->IsJSContextExtensionObject());
-
-    LookupIterator it(holder, name, LookupIterator::HIDDEN_SKIP_INTERCEPTOR);
-    Maybe<PropertyAttributes> maybe = JSReceiver::GetPropertyAttributes(&it);
-    if (!maybe.has_value) return isolate->heap()->exception();
-    PropertyAttributes old_attributes = maybe.value;
-
-    // Ignore if we can't reconfigure the value.
-    if ((old_attributes & DONT_DELETE) != 0) {
-      if ((old_attributes & READ_ONLY) != 0 ||
-          it.state() == LookupIterator::ACCESSOR) {
-        return *value;
-      }
-      attr = static_cast<PropertyAttributes>(old_attributes | READ_ONLY);
-    }
-  }
-
-  RETURN_FAILURE_ON_EXCEPTION(
-      isolate, JSObject::SetOwnPropertyIgnoreAttributes(
-                   Handle<JSObject>::cast(holder), name, value, attr));
-
-  return *value;
-}
-
-
 RUNTIME_FUNCTION(Runtime_OptimizeObjectForAddingMultipleProperties) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0);
   CONVERT_SMI_ARG_CHECKED(properties, 1);
   // Conservative upper limit to prevent fuzz tests from going OOM.
   RUNTIME_ASSERT(properties <= 100000);
   if (object->HasFastProperties() && !object->IsJSGlobalProxy()) {
     JSObject::NormalizeProperties(object, KEEP_INOBJECT_PROPERTIES, properties);
   }
@@ skipping 37 matching lines @@
   InstallBuiltin(isolate, holder, "shift", Builtins::kArrayShift);
   InstallBuiltin(isolate, holder, "unshift", Builtins::kArrayUnshift);
   InstallBuiltin(isolate, holder, "slice", Builtins::kArraySlice);
   InstallBuiltin(isolate, holder, "splice", Builtins::kArraySplice);
   InstallBuiltin(isolate, holder, "concat", Builtins::kArrayConcat);
 
   return *holder;
 }
 
 
-RUNTIME_FUNCTION(Runtime_IsSloppyModeFunction) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(JSReceiver, callable, 0);
-  if (!callable->IsJSFunction()) {
-    HandleScope scope(isolate);
-    Handle<Object> delegate;
-    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-        isolate, delegate, Execution::TryGetFunctionDelegate(
-                               isolate, Handle<JSReceiver>(callable)));
-    callable = JSFunction::cast(*delegate);
-  }
-  JSFunction* function = JSFunction::cast(callable);
-  SharedFunctionInfo* shared = function->shared();
-  return isolate->heap()->ToBoolean(shared->strict_mode() == SLOPPY);
-}
-
-
-RUNTIME_FUNCTION(Runtime_GetDefaultReceiver) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(JSReceiver, callable, 0);
-
-  if (!callable->IsJSFunction()) {
-    HandleScope scope(isolate);
-    Handle<Object> delegate;
-    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-        isolate, delegate, Execution::TryGetFunctionDelegate(
-                               isolate, Handle<JSReceiver>(callable)));
-    callable = JSFunction::cast(*delegate);
-  }
-  JSFunction* function = JSFunction::cast(callable);
-
-  SharedFunctionInfo* shared = function->shared();
-  if (shared->native() || shared->strict_mode() == STRICT) {
-    return isolate->heap()->undefined_value();
-  }
-  // Returns undefined for strict or native functions, or
-  // the associated global receiver for "normal" functions.
-
-  return function->global_proxy();
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionGetName) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-
-  CONVERT_ARG_CHECKED(JSFunction, f, 0);
-  return f->shared()->name();
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionSetName) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 2);
-
-  CONVERT_ARG_CHECKED(JSFunction, f, 0);
-  CONVERT_ARG_CHECKED(String, name, 1);
-  f->shared()->set_name(name);
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionNameShouldPrintAsAnonymous) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(JSFunction, f, 0);
-  return isolate->heap()->ToBoolean(
-      f->shared()->name_should_print_as_anonymous());
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionMarkNameShouldPrintAsAnonymous) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(JSFunction, f, 0);
-  f->shared()->set_name_should_print_as_anonymous(true);
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionIsArrow) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(JSFunction, f, 0);
-  return isolate->heap()->ToBoolean(f->shared()->is_arrow());
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionIsConciseMethod) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(JSFunction, f, 0);
-  return isolate->heap()->ToBoolean(f->shared()->is_concise_method());
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionRemovePrototype) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-
-  CONVERT_ARG_CHECKED(JSFunction, f, 0);
-  RUNTIME_ASSERT(f->RemovePrototype());
-
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionGetScript) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-
-  CONVERT_ARG_CHECKED(JSFunction, fun, 0);
-  Handle<Object> script = Handle<Object>(fun->shared()->script(), isolate);
-  if (!script->IsScript()) return isolate->heap()->undefined_value();
-
-  return *Script::GetWrapper(Handle<Script>::cast(script));
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionGetSourceCode) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, f, 0);
-  Handle<SharedFunctionInfo> shared(f->shared());
-  return *shared->GetSourceCode();
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionGetScriptSourcePosition) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-
-  CONVERT_ARG_CHECKED(JSFunction, fun, 0);
-  int pos = fun->shared()->start_position();
-  return Smi::FromInt(pos);
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionGetPositionForOffset) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 2);
-
-  CONVERT_ARG_CHECKED(Code, code, 0);
-  CONVERT_NUMBER_CHECKED(int, offset, Int32, args[1]);
-
-  RUNTIME_ASSERT(0 <= offset && offset < code->Size());
-
-  Address pc = code->address() + offset;
-  return Smi::FromInt(code->SourcePosition(pc));
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionSetInstanceClassName) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 2);
-
-  CONVERT_ARG_CHECKED(JSFunction, fun, 0);
-  CONVERT_ARG_CHECKED(String, name, 1);
-  fun->SetInstanceClassName(name);
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionSetLength) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 2);
-
-  CONVERT_ARG_CHECKED(JSFunction, fun, 0);
-  CONVERT_SMI_ARG_CHECKED(length, 1);
-  RUNTIME_ASSERT((length & 0xC0000000) == 0xC0000000 ||
-                 (length & 0xC0000000) == 0x0);
-  fun->shared()->set_length(length);
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionSetPrototype) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 2);
-
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, fun, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Object, value, 1);
-  RUNTIME_ASSERT(fun->should_have_prototype());
-  Accessors::FunctionSetPrototype(fun, value);
-  return args[0];  // return TOS
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionIsAPIFunction) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-
-  CONVERT_ARG_CHECKED(JSFunction, f, 0);
-  return isolate->heap()->ToBoolean(f->shared()->IsApiFunction());
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionIsBuiltin) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-
-  CONVERT_ARG_CHECKED(JSFunction, f, 0);
-  return isolate->heap()->ToBoolean(f->IsBuiltin());
-}
-
-
-RUNTIME_FUNCTION(Runtime_SetCode) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 2);
-
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, target, 0);
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, source, 1);
-
-  Handle<SharedFunctionInfo> target_shared(target->shared());
-  Handle<SharedFunctionInfo> source_shared(source->shared());
-  RUNTIME_ASSERT(!source_shared->bound());
-
-  if (!Compiler::EnsureCompiled(source, KEEP_EXCEPTION)) {
-    return isolate->heap()->exception();
-  }
-
-  // Mark both, the source and the target, as un-flushable because the
-  // shared unoptimized code makes them impossible to enqueue in a list.
-  DCHECK(target_shared->code()->gc_metadata() == NULL);
-  DCHECK(source_shared->code()->gc_metadata() == NULL);
-  target_shared->set_dont_flush(true);
-  source_shared->set_dont_flush(true);
-
-  // Set the code, scope info, formal parameter count, and the length
-  // of the target shared function info.
-  target_shared->ReplaceCode(source_shared->code());
-  target_shared->set_scope_info(source_shared->scope_info());
-  target_shared->set_length(source_shared->length());
-  target_shared->set_feedback_vector(source_shared->feedback_vector());
-  target_shared->set_formal_parameter_count(
-      source_shared->formal_parameter_count());
-  target_shared->set_script(source_shared->script());
-  target_shared->set_start_position_and_type(
-      source_shared->start_position_and_type());
-  target_shared->set_end_position(source_shared->end_position());
-  bool was_native = target_shared->native();
-  target_shared->set_compiler_hints(source_shared->compiler_hints());
-  target_shared->set_native(was_native);
-  target_shared->set_profiler_ticks(source_shared->profiler_ticks());
-
-  // Set the code of the target function.
-  target->ReplaceCode(source_shared->code());
-  DCHECK(target->next_function_link()->IsUndefined());
-
-  // Make sure we get a fresh copy of the literal vector to avoid cross
-  // context contamination.
-  Handle<Context> context(source->context());
-  int number_of_literals = source->NumberOfLiterals();
-  Handle<FixedArray> literals =
-      isolate->factory()->NewFixedArray(number_of_literals, TENURED);
-  if (number_of_literals > 0) {
-    literals->set(JSFunction::kLiteralNativeContextIndex,
-                  context->native_context());
-  }
-  target->set_context(*context);
-  target->set_literals(*literals);
-
-  if (isolate->logger()->is_logging_code_events() ||
-      isolate->cpu_profiler()->is_profiling()) {
-    isolate->logger()->LogExistingFunction(source_shared,
-                                           Handle<Code>(source_shared->code()));
-  }
-
-  return *target;
-}
-
-
 RUNTIME_FUNCTION(Runtime_ObjectFreeze) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0);
 
   // %ObjectFreeze is a fast path and these cases are handled elsewhere.
   RUNTIME_ASSERT(!object->HasSloppyArgumentsElements() &&
                  !object->map()->is_observed() && !object->IsJSProxy());
 
   Handle<Object> result;
@@ skipping 664 matching lines @@
 RUNTIME_FUNCTION(Runtime_TransitionElementsKind) {
   HandleScope scope(isolate);
   RUNTIME_ASSERT(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(JSArray, array, 0);
   CONVERT_ARG_HANDLE_CHECKED(Map, map, 1);
   JSObject::TransitionElementsKind(array, map->elements_kind());
   return *array;
 }
 
 
-// Set the native flag on the function.
-// This is used to decide if we should transform null and undefined
-// into the global object when doing call and apply.
-RUNTIME_FUNCTION(Runtime_SetNativeFlag) {
-  SealHandleScope shs(isolate);
-  RUNTIME_ASSERT(args.length() == 1);
-
-  CONVERT_ARG_CHECKED(Object, object, 0);
-
-  if (object->IsJSFunction()) {
-    JSFunction* func = JSFunction::cast(object);
-    func->shared()->set_native(true);
-  }
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_SetInlineBuiltinFlag) {
-  SealHandleScope shs(isolate);
-  RUNTIME_ASSERT(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, object, 0);
-
-  if (object->IsJSFunction()) {
-    JSFunction* func = JSFunction::cast(*object);
-    func->shared()->set_inline_builtin(true);
-  }
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_StoreArrayLiteralElement) {
-  HandleScope scope(isolate);
-  RUNTIME_ASSERT(args.length() == 5);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0);
-  CONVERT_SMI_ARG_CHECKED(store_index, 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, value, 2);
-  CONVERT_ARG_HANDLE_CHECKED(FixedArray, literals, 3);
-  CONVERT_SMI_ARG_CHECKED(literal_index, 4);
-
-  Object* raw_literal_cell = literals->get(literal_index);
-  JSArray* boilerplate = NULL;
-  if (raw_literal_cell->IsAllocationSite()) {
-    AllocationSite* site = AllocationSite::cast(raw_literal_cell);
-    boilerplate = JSArray::cast(site->transition_info());
-  } else {
-    boilerplate = JSArray::cast(raw_literal_cell);
-  }
-  Handle<JSArray> boilerplate_object(boilerplate);
-  ElementsKind elements_kind = object->GetElementsKind();
-  DCHECK(IsFastElementsKind(elements_kind));
-  // Smis should never trigger transitions.
-  DCHECK(!value->IsSmi());
-
-  if (value->IsNumber()) {
-    DCHECK(IsFastSmiElementsKind(elements_kind));
-    ElementsKind transitioned_kind = IsFastHoleyElementsKind(elements_kind)
-                                         ? FAST_HOLEY_DOUBLE_ELEMENTS
-                                         : FAST_DOUBLE_ELEMENTS;
-    if (IsMoreGeneralElementsKindTransition(
-            boilerplate_object->GetElementsKind(), transitioned_kind)) {
-      JSObject::TransitionElementsKind(boilerplate_object, transitioned_kind);
-    }
-    JSObject::TransitionElementsKind(object, transitioned_kind);
-    DCHECK(IsFastDoubleElementsKind(object->GetElementsKind()));
-    FixedDoubleArray* double_array = FixedDoubleArray::cast(object->elements());
-    HeapNumber* number = HeapNumber::cast(*value);
-    double_array->set(store_index, number->Number());
-  } else {
-    if (!IsFastObjectElementsKind(elements_kind)) {
-      ElementsKind transitioned_kind = IsFastHoleyElementsKind(elements_kind)
-                                           ? FAST_HOLEY_ELEMENTS
-                                           : FAST_ELEMENTS;
-      JSObject::TransitionElementsKind(object, transitioned_kind);
-      ElementsKind boilerplate_elements_kind =
-          boilerplate_object->GetElementsKind();
-      if (IsMoreGeneralElementsKindTransition(boilerplate_elements_kind,
-                                              transitioned_kind)) {
-        JSObject::TransitionElementsKind(boilerplate_object, transitioned_kind);
-      }
-    }
-    FixedArray* object_array = FixedArray::cast(object->elements());
-    object_array->set(store_index, *value);
-  }
-  return *object;
-}
-
-
 RUNTIME_FUNCTION(Runtime_DebugPromiseRejectEvent) {
   DCHECK(args.length() == 2);
   HandleScope scope(isolate);
   CONVERT_ARG_HANDLE_CHECKED(JSObject, promise, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, value, 1);
   isolate->debug()->OnPromiseReject(promise, value);
   return isolate->heap()->undefined_value();
 }
 
 
@@ skipping 403 matching lines @@
       Handle<Object> entry_handle(entry, isolate);
       Handle<Object> entry_str =
           isolate->factory()->NumberToString(entry_handle);
       copy->set(i, *entry_str);
     }
   }
   return *isolate->factory()->NewJSArrayWithElements(copy);
 }
 
 
-RUNTIME_FUNCTION(Runtime_GetArgumentsProperty) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, raw_key, 0);
-
-  // Compute the frame holding the arguments.
-  JavaScriptFrameIterator it(isolate);
-  it.AdvanceToArgumentsFrame();
-  JavaScriptFrame* frame = it.frame();
-
-  // Get the actual number of provided arguments.
-  const uint32_t n = frame->ComputeParametersCount();
-
-  // Try to convert the key to an index. If successful and within
-  // index return the the argument from the frame.
-  uint32_t index;
-  if (raw_key->ToArrayIndex(&index) && index < n) {
-    return frame->GetParameter(index);
-  }
-
-  HandleScope scope(isolate);
-  if (raw_key->IsSymbol()) {
-    Handle<Symbol> symbol = Handle<Symbol>::cast(raw_key);
-    if (symbol->Equals(isolate->native_context()->iterator_symbol())) {
-      return isolate->native_context()->array_values_iterator();
-    }
-    // Lookup in the initial Object.prototype object.
-    Handle<Object> result;
-    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-        isolate, result,
-        Object::GetProperty(isolate->initial_object_prototype(),
-                            Handle<Symbol>::cast(raw_key)));
-    return *result;
-  }
-
-  // Convert the key to a string.
-  Handle<Object> converted;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, converted,
-                                     Execution::ToString(isolate, raw_key));
-  Handle<String> key = Handle<String>::cast(converted);
-
-  // Try to convert the string key into an array index.
-  if (key->AsArrayIndex(&index)) {
-    if (index < n) {
-      return frame->GetParameter(index);
-    } else {
-      Handle<Object> initial_prototype(isolate->initial_object_prototype());
-      Handle<Object> result;
-      ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-          isolate, result,
-          Object::GetElement(isolate, initial_prototype, index));
-      return *result;
-    }
-  }
-
-  // Handle special arguments properties.
-  if (String::Equals(isolate->factory()->length_string(), key)) {
-    return Smi::FromInt(n);
-  }
-  if (String::Equals(isolate->factory()->callee_string(), key)) {
-    JSFunction* function = frame->function();
-    if (function->shared()->strict_mode() == STRICT) {
-      THROW_NEW_ERROR_RETURN_FAILURE(
-          isolate, NewTypeError("strict_arguments_callee",
-                                HandleVector<Object>(NULL, 0)));
-    }
-    return function;
-  }
-
-  // Lookup in the initial Object.prototype object.
-  Handle<Object> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, result,
-      Object::GetProperty(isolate->initial_object_prototype(), key));
-  return *result;
-}
-
-
 RUNTIME_FUNCTION(Runtime_ToFastProperties) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(Object, object, 0);
   if (object->IsJSObject() && !object->IsGlobalObject()) {
     JSObject::MigrateSlowToFast(Handle<JSObject>::cast(object), 0);
   }
   return *object;
 }
 
@@ skipping 86 matching lines @@
 }
 
 
 RUNTIME_FUNCTION(Runtime_AllocateHeapNumber) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 0);
   return *isolate->factory()->NewHeapNumber(0);
 }
 
 
-static Handle<JSObject> NewSloppyArguments(Isolate* isolate,
-                                           Handle<JSFunction> callee,
-                                           Object** parameters,
-                                           int argument_count) {
-  Handle<JSObject> result =
-      isolate->factory()->NewArgumentsObject(callee, argument_count);
-
-  // Allocate the elements if needed.
-  int parameter_count = callee->shared()->formal_parameter_count();
-  if (argument_count > 0) {
-    if (parameter_count > 0) {
-      int mapped_count = Min(argument_count, parameter_count);
-      Handle<FixedArray> parameter_map =
-          isolate->factory()->NewFixedArray(mapped_count + 2, NOT_TENURED);
-      parameter_map->set_map(isolate->heap()->sloppy_arguments_elements_map());
-
-      Handle<Map> map = Map::Copy(handle(result->map()));
-      map->set_elements_kind(SLOPPY_ARGUMENTS_ELEMENTS);
-
-      result->set_map(*map);
-      result->set_elements(*parameter_map);
-
-      // Store the context and the arguments array at the beginning of the
-      // parameter map.
-      Handle<Context> context(isolate->context());
-      Handle<FixedArray> arguments =
-          isolate->factory()->NewFixedArray(argument_count, NOT_TENURED);
-      parameter_map->set(0, *context);
-      parameter_map->set(1, *arguments);
-
-      // Loop over the actual parameters backwards.
-      int index = argument_count - 1;
-      while (index >= mapped_count) {
-        // These go directly in the arguments array and have no
-        // corresponding slot in the parameter map.
-        arguments->set(index, *(parameters - index - 1));
-        --index;
-      }
-
-      Handle<ScopeInfo> scope_info(callee->shared()->scope_info());
-      while (index >= 0) {
-        // Detect duplicate names to the right in the parameter list.
-        Handle<String> name(scope_info->ParameterName(index));
-        int context_local_count = scope_info->ContextLocalCount();
-        bool duplicate = false;
-        for (int j = index + 1; j < parameter_count; ++j) {
-          if (scope_info->ParameterName(j) == *name) {
-            duplicate = true;
-            break;
-          }
-        }
-
-        if (duplicate) {
-          // This goes directly in the arguments array with a hole in the
-          // parameter map.
-          arguments->set(index, *(parameters - index - 1));
-          parameter_map->set_the_hole(index + 2);
-        } else {
-          // The context index goes in the parameter map with a hole in the
-          // arguments array.
-          int context_index = -1;
-          for (int j = 0; j < context_local_count; ++j) {
-            if (scope_info->ContextLocalName(j) == *name) {
-              context_index = j;
-              break;
-            }
-          }
-          DCHECK(context_index >= 0);
-          arguments->set_the_hole(index);
-          parameter_map->set(
-              index + 2,
-              Smi::FromInt(Context::MIN_CONTEXT_SLOTS + context_index));
-        }
-
-        --index;
-      }
-    } else {
-      // If there is no aliasing, the arguments object elements are not
-      // special in any way.
-      Handle<FixedArray> elements =
-          isolate->factory()->NewFixedArray(argument_count, NOT_TENURED);
-      result->set_elements(*elements);
-      for (int i = 0; i < argument_count; ++i) {
-        elements->set(i, *(parameters - i - 1));
-      }
-    }
-  }
-  return result;
-}
-
-
-static Handle<JSObject> NewStrictArguments(Isolate* isolate,
-                                           Handle<JSFunction> callee,
-                                           Object** parameters,
-                                           int argument_count) {
-  Handle<JSObject> result =
-      isolate->factory()->NewArgumentsObject(callee, argument_count);
-
-  if (argument_count > 0) {
-    Handle<FixedArray> array =
-        isolate->factory()->NewUninitializedFixedArray(argument_count);
-    DisallowHeapAllocation no_gc;
-    WriteBarrierMode mode = array->GetWriteBarrierMode(no_gc);
-    for (int i = 0; i < argument_count; i++) {
-      array->set(i, *--parameters, mode);
-    }
-    result->set_elements(*array);
-  }
-  return result;
-}
-
-
-RUNTIME_FUNCTION(Runtime_NewArguments) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, callee, 0);
-  JavaScriptFrameIterator it(isolate);
-
-  // Find the frame that holds the actual arguments passed to the function.
-  it.AdvanceToArgumentsFrame();
-  JavaScriptFrame* frame = it.frame();
-
-  // Determine parameter location on the stack and dispatch on language mode.
-  int argument_count = frame->GetArgumentsLength();
-  Object** parameters = reinterpret_cast<Object**>(frame->GetParameterSlot(-1));
-  return callee->shared()->strict_mode() == STRICT
-             ? *NewStrictArguments(isolate, callee, parameters, argument_count)
-             : *NewSloppyArguments(isolate, callee, parameters, argument_count);
-}
-
-
-RUNTIME_FUNCTION(Runtime_NewSloppyArguments) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 3);
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, callee, 0);
-  Object** parameters = reinterpret_cast<Object**>(args[1]);
-  CONVERT_SMI_ARG_CHECKED(argument_count, 2);
-  return *NewSloppyArguments(isolate, callee, parameters, argument_count);
-}
-
-
-RUNTIME_FUNCTION(Runtime_NewStrictArguments) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 3);
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, callee, 0)
-  Object** parameters = reinterpret_cast<Object**>(args[1]);
-  CONVERT_SMI_ARG_CHECKED(argument_count, 2);
-  return *NewStrictArguments(isolate, callee, parameters, argument_count);
-}
-
-
-RUNTIME_FUNCTION(Runtime_NewClosureFromStubFailure) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(SharedFunctionInfo, shared, 0);
-  Handle<Context> context(isolate->context());
-  PretenureFlag pretenure_flag = NOT_TENURED;
-  return *isolate->factory()->NewFunctionFromSharedFunctionInfo(shared, context,
-                                                                pretenure_flag);
-}
-
-
-RUNTIME_FUNCTION(Runtime_NewClosure) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 3);
-  CONVERT_ARG_HANDLE_CHECKED(Context, context, 0);
-  CONVERT_ARG_HANDLE_CHECKED(SharedFunctionInfo, shared, 1);
-  CONVERT_BOOLEAN_ARG_CHECKED(pretenure, 2);
-
-  // The caller ensures that we pretenure closures that are assigned
-  // directly to properties.
-  PretenureFlag pretenure_flag = pretenure ? TENURED : NOT_TENURED;
-  return *isolate->factory()->NewFunctionFromSharedFunctionInfo(shared, context,
-                                                                pretenure_flag);
-}
-
-
-// Find the arguments of the JavaScript function invocation that called
-// into C++ code. Collect these in a newly allocated array of handles (possibly
-// prefixed by a number of empty handles).
-static SmartArrayPointer<Handle<Object> > GetCallerArguments(Isolate* isolate,
-                                                             int prefix_argc,
-                                                             int* total_argc) {
-  // Find frame containing arguments passed to the caller.
-  JavaScriptFrameIterator it(isolate);
-  JavaScriptFrame* frame = it.frame();
-  List<JSFunction*> functions(2);
-  frame->GetFunctions(&functions);
-  if (functions.length() > 1) {
-    int inlined_jsframe_index = functions.length() - 1;
-    JSFunction* inlined_function = functions[inlined_jsframe_index];
-    SlotRefValueBuilder slot_refs(
-        frame, inlined_jsframe_index,
-        inlined_function->shared()->formal_parameter_count());
-
-    int args_count = slot_refs.args_length();
-
-    *total_argc = prefix_argc + args_count;
-    SmartArrayPointer<Handle<Object> > param_data(
-        NewArray<Handle<Object> >(*total_argc));
-    slot_refs.Prepare(isolate);
-    for (int i = 0; i < args_count; i++) {
-      Handle<Object> val = slot_refs.GetNext(isolate, 0);
-      param_data[prefix_argc + i] = val;
-    }
-    slot_refs.Finish(isolate);
-
-    return param_data;
-  } else {
-    it.AdvanceToArgumentsFrame();
-    frame = it.frame();
-    int args_count = frame->ComputeParametersCount();
-
-    *total_argc = prefix_argc + args_count;
-    SmartArrayPointer<Handle<Object> > param_data(
-        NewArray<Handle<Object> >(*total_argc));
-    for (int i = 0; i < args_count; i++) {
-      Handle<Object> val = Handle<Object>(frame->GetParameter(i), isolate);
-      param_data[prefix_argc + i] = val;
-    }
-    return param_data;
-  }
-}
-
-
-RUNTIME_FUNCTION(Runtime_FunctionBindArguments) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 4);
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, bound_function, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Object, bindee, 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, this_object, 2);
-  CONVERT_NUMBER_ARG_HANDLE_CHECKED(new_length, 3);
-
-  // TODO(lrn): Create bound function in C++ code from premade shared info.
-  bound_function->shared()->set_bound(true);
-  // Get all arguments of calling function (Function.prototype.bind).
-  int argc = 0;
-  SmartArrayPointer<Handle<Object> > arguments =
-      GetCallerArguments(isolate, 0, &argc);
-  // Don't count the this-arg.
-  if (argc > 0) {
-    RUNTIME_ASSERT(arguments[0].is_identical_to(this_object));
-    argc--;
-  } else {
-    RUNTIME_ASSERT(this_object->IsUndefined());
-  }
-  // Initialize array of bindings (function, this, and any existing arguments
-  // if the function was already bound).
-  Handle<FixedArray> new_bindings;
-  int i;
-  if (bindee->IsJSFunction() && JSFunction::cast(*bindee)->shared()->bound()) {
-    Handle<FixedArray> old_bindings(
-        JSFunction::cast(*bindee)->function_bindings());
-    RUNTIME_ASSERT(old_bindings->length() > JSFunction::kBoundFunctionIndex);
-    new_bindings =
-        isolate->factory()->NewFixedArray(old_bindings->length() + argc);
-    bindee = Handle<Object>(old_bindings->get(JSFunction::kBoundFunctionIndex),
-                            isolate);
-    i = 0;
-    for (int n = old_bindings->length(); i < n; i++) {
-      new_bindings->set(i, old_bindings->get(i));
-    }
-  } else {
-    int array_size = JSFunction::kBoundArgumentsStartIndex + argc;
-    new_bindings = isolate->factory()->NewFixedArray(array_size);
-    new_bindings->set(JSFunction::kBoundFunctionIndex, *bindee);
-    new_bindings->set(JSFunction::kBoundThisIndex, *this_object);
-    i = 2;
-  }
-  // Copy arguments, skipping the first which is "this_arg".
-  for (int j = 0; j < argc; j++, i++) {
-    new_bindings->set(i, *arguments[j + 1]);
-  }
-  new_bindings->set_map_no_write_barrier(
-      isolate->heap()->fixed_cow_array_map());
-  bound_function->set_function_bindings(*new_bindings);
-
-  // Update length. Have to remove the prototype first so that map migration
-  // is happy about the number of fields.
-  RUNTIME_ASSERT(bound_function->RemovePrototype());
-  Handle<Map> bound_function_map(
-      isolate->native_context()->bound_function_map());
-  JSObject::MigrateToMap(bound_function, bound_function_map);
-  Handle<String> length_string = isolate->factory()->length_string();
-  PropertyAttributes attr =
-      static_cast<PropertyAttributes>(DONT_DELETE | DONT_ENUM | READ_ONLY);
-  RETURN_FAILURE_ON_EXCEPTION(
-      isolate, JSObject::SetOwnPropertyIgnoreAttributes(
-                   bound_function, length_string, new_length, attr));
-  return *bound_function;
-}
-
-
-RUNTIME_FUNCTION(Runtime_BoundFunctionGetBindings) {
-  HandleScope handles(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSReceiver, callable, 0);
-  if (callable->IsJSFunction()) {
-    Handle<JSFunction> function = Handle<JSFunction>::cast(callable);
-    if (function->shared()->bound()) {
-      Handle<FixedArray> bindings(function->function_bindings());
-      RUNTIME_ASSERT(bindings->map() == isolate->heap()->fixed_cow_array_map());
-      return *isolate->factory()->NewJSArrayWithElements(bindings);
-    }
-  }
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_NewObjectFromBound) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  // First argument is a function to use as a constructor.
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
-  RUNTIME_ASSERT(function->shared()->bound());
-
-  // The argument is a bound function. Extract its bound arguments
-  // and callable.
-  Handle<FixedArray> bound_args =
-      Handle<FixedArray>(FixedArray::cast(function->function_bindings()));
-  int bound_argc = bound_args->length() - JSFunction::kBoundArgumentsStartIndex;
-  Handle<Object> bound_function(
-      JSReceiver::cast(bound_args->get(JSFunction::kBoundFunctionIndex)),
-      isolate);
-  DCHECK(!bound_function->IsJSFunction() ||
-         !Handle<JSFunction>::cast(bound_function)->shared()->bound());
-
-  int total_argc = 0;
-  SmartArrayPointer<Handle<Object> > param_data =
-      GetCallerArguments(isolate, bound_argc, &total_argc);
-  for (int i = 0; i < bound_argc; i++) {
-    param_data[i] = Handle<Object>(
-        bound_args->get(JSFunction::kBoundArgumentsStartIndex + i), isolate);
-  }
-
-  if (!bound_function->IsJSFunction()) {
-    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-        isolate, bound_function,
-        Execution::TryGetConstructorDelegate(isolate, bound_function));
-  }
-  DCHECK(bound_function->IsJSFunction());
-
-  Handle<Object> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, result, Execution::New(Handle<JSFunction>::cast(bound_function),
-                                      total_argc, param_data.get()));
-  return *result;
-}
-
-
 static Object* Runtime_NewObjectHelper(Isolate* isolate,
                                        Handle<Object> constructor,
                                        Handle<AllocationSite> site) {
   // If the constructor isn't a proper function we throw a type error.
   if (!constructor->IsJSFunction()) {
     Vector<Handle<Object> > arguments = HandleVector(&constructor, 1);
     THROW_NEW_ERROR_RETURN_FAILURE(isolate,
                                    NewTypeError("not_constructor", arguments));
   }
 
@@ skipping 91 matching lines @@
 
 
 RUNTIME_FUNCTION(Runtime_GetRootNaN) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 0);
   RUNTIME_ASSERT(isolate->bootstrapper()->IsActive());
   return isolate->heap()->nan_value();
 }
 
 
-RUNTIME_FUNCTION(Runtime_Call) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() >= 2);
-  int argc = args.length() - 2;
-  CONVERT_ARG_CHECKED(JSReceiver, fun, argc + 1);
-  Object* receiver = args[0];
-
-  // If there are too many arguments, allocate argv via malloc.
-  const int argv_small_size = 10;
-  Handle<Object> argv_small_buffer[argv_small_size];
-  SmartArrayPointer<Handle<Object> > argv_large_buffer;
-  Handle<Object>* argv = argv_small_buffer;
-  if (argc > argv_small_size) {
-    argv = new Handle<Object>[argc];
-    if (argv == NULL) return isolate->StackOverflow();
-    argv_large_buffer = SmartArrayPointer<Handle<Object> >(argv);
-  }
-
-  for (int i = 0; i < argc; ++i) {
-    argv[i] = Handle<Object>(args[1 + i], isolate);
-  }
-
-  Handle<JSReceiver> hfun(fun);
-  Handle<Object> hreceiver(receiver, isolate);
-  Handle<Object> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, result,
-      Execution::Call(isolate, hfun, hreceiver, argc, argv, true));
-  return *result;
-}
-
-
-RUNTIME_FUNCTION(Runtime_Apply) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 5);
-  CONVERT_ARG_HANDLE_CHECKED(JSReceiver, fun, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, arguments, 2);
-  CONVERT_INT32_ARG_CHECKED(offset, 3);
-  CONVERT_INT32_ARG_CHECKED(argc, 4);
-  RUNTIME_ASSERT(offset >= 0);
-  // Loose upper bound to allow fuzzing. We'll most likely run out of
-  // stack space before hitting this limit.
-  static int kMaxArgc = 1000000;
-  RUNTIME_ASSERT(argc >= 0 && argc <= kMaxArgc);
-
-  // If there are too many arguments, allocate argv via malloc.
-  const int argv_small_size = 10;
-  Handle<Object> argv_small_buffer[argv_small_size];
-  SmartArrayPointer<Handle<Object> > argv_large_buffer;
-  Handle<Object>* argv = argv_small_buffer;
-  if (argc > argv_small_size) {
-    argv = new Handle<Object>[argc];
-    if (argv == NULL) return isolate->StackOverflow();
-    argv_large_buffer = SmartArrayPointer<Handle<Object> >(argv);
-  }
-
-  for (int i = 0; i < argc; ++i) {
-    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-        isolate, argv[i], Object::GetElement(isolate, arguments, offset + i));
-  }
-
-  Handle<Object> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, result,
-      Execution::Call(isolate, fun, receiver, argc, argv, true));
-  return *result;
-}
-
-
-RUNTIME_FUNCTION(Runtime_GetFunctionDelegate) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, object, 0);
-  RUNTIME_ASSERT(!object->IsJSFunction());
-  return *Execution::GetFunctionDelegate(isolate, object);
-}
-
-
-RUNTIME_FUNCTION(Runtime_GetConstructorDelegate) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, object, 0);
-  RUNTIME_ASSERT(!object->IsJSFunction());
-  return *Execution::GetConstructorDelegate(isolate, object);
-}
-
-
-RUNTIME_FUNCTION(Runtime_NewGlobalContext) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 2);
-
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
-  CONVERT_ARG_HANDLE_CHECKED(ScopeInfo, scope_info, 1);
-  Handle<Context> result =
-      isolate->factory()->NewGlobalContext(function, scope_info);
-
-  DCHECK(function->context() == isolate->context());
-  DCHECK(function->context()->global_object() == result->global_object());
-  result->global_object()->set_global_context(*result);
-  return *result;
-}
-
-
-RUNTIME_FUNCTION(Runtime_NewFunctionContext) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
-
-  DCHECK(function->context() == isolate->context());
-  int length = function->shared()->scope_info()->ContextLength();
-  return *isolate->factory()->NewFunctionContext(length, function);
-}
-
-
-RUNTIME_FUNCTION(Runtime_PushWithContext) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 2);
-  Handle<JSReceiver> extension_object;
-  if (args[0]->IsJSReceiver()) {
-    extension_object = args.at<JSReceiver>(0);
-  } else {
-    // Try to convert the object to a proper JavaScript object.
-    MaybeHandle<JSReceiver> maybe_object =
-        Object::ToObject(isolate, args.at<Object>(0));
-    if (!maybe_object.ToHandle(&extension_object)) {
-      Handle<Object> handle = args.at<Object>(0);
-      THROW_NEW_ERROR_RETURN_FAILURE(
-          isolate, NewTypeError("with_expression", HandleVector(&handle, 1)));
-    }
-  }
-
-  Handle<JSFunction> function;
-  if (args[1]->IsSmi()) {
-    // A smi sentinel indicates a context nested inside global code rather
-    // than some function.  There is a canonical empty function that can be
-    // gotten from the native context.
-    function = handle(isolate->native_context()->closure());
-  } else {
-    function = args.at<JSFunction>(1);
-  }
-
-  Handle<Context> current(isolate->context());
-  Handle<Context> context =
-      isolate->factory()->NewWithContext(function, current, extension_object);
-  isolate->set_context(*context);
-  return *context;
-}
-
-
-RUNTIME_FUNCTION(Runtime_PushCatchContext) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 3);
-  CONVERT_ARG_HANDLE_CHECKED(String, name, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Object, thrown_object, 1);
-  Handle<JSFunction> function;
-  if (args[2]->IsSmi()) {
-    // A smi sentinel indicates a context nested inside global code rather
-    // than some function.  There is a canonical empty function that can be
-    // gotten from the native context.
-    function = handle(isolate->native_context()->closure());
-  } else {
-    function = args.at<JSFunction>(2);
-  }
-  Handle<Context> current(isolate->context());
-  Handle<Context> context = isolate->factory()->NewCatchContext(
-      function, current, name, thrown_object);
-  isolate->set_context(*context);
-  return *context;
-}
-
-
-RUNTIME_FUNCTION(Runtime_PushBlockContext) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 2);
-  CONVERT_ARG_HANDLE_CHECKED(ScopeInfo, scope_info, 0);
-  Handle<JSFunction> function;
-  if (args[1]->IsSmi()) {
-    // A smi sentinel indicates a context nested inside global code rather
-    // than some function.  There is a canonical empty function that can be
-    // gotten from the native context.
-    function = handle(isolate->native_context()->closure());
-  } else {
-    function = args.at<JSFunction>(1);
-  }
-  Handle<Context> current(isolate->context());
-  Handle<Context> context =
-      isolate->factory()->NewBlockContext(function, current, scope_info);
-  isolate->set_context(*context);
-  return *context;
-}
-
-
-RUNTIME_FUNCTION(Runtime_IsJSModule) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(Object, obj, 0);
-  return isolate->heap()->ToBoolean(obj->IsJSModule());
-}
-
-
-RUNTIME_FUNCTION(Runtime_PushModuleContext) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 2);
-  CONVERT_SMI_ARG_CHECKED(index, 0);
-
-  if (!args[1]->IsScopeInfo()) {
-    // Module already initialized. Find hosting context and retrieve context.
-    Context* host = Context::cast(isolate->context())->global_context();
-    Context* context = Context::cast(host->get(index));
-    DCHECK(context->previous() == isolate->context());
-    isolate->set_context(context);
-    return context;
-  }
-
-  CONVERT_ARG_HANDLE_CHECKED(ScopeInfo, scope_info, 1);
-
-  // Allocate module context.
-  HandleScope scope(isolate);
-  Factory* factory = isolate->factory();
-  Handle<Context> context = factory->NewModuleContext(scope_info);
-  Handle<JSModule> module = factory->NewJSModule(context, scope_info);
-  context->set_module(*module);
-  Context* previous = isolate->context();
-  context->set_previous(previous);
-  context->set_closure(previous->closure());
-  context->set_global_object(previous->global_object());
-  isolate->set_context(*context);
-
-  // Find hosting scope and initialize internal variable holding module there.
-  previous->global_context()->set(index, *context);
-
-  return *context;
-}
-
-
-RUNTIME_FUNCTION(Runtime_DeclareModules) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(FixedArray, descriptions, 0);
-  Context* host_context = isolate->context();
-
-  for (int i = 0; i < descriptions->length(); ++i) {
-    Handle<ModuleInfo> description(ModuleInfo::cast(descriptions->get(i)));
-    int host_index = description->host_index();
-    Handle<Context> context(Context::cast(host_context->get(host_index)));
-    Handle<JSModule> module(context->module());
-
-    for (int j = 0; j < description->length(); ++j) {
-      Handle<String> name(description->name(j));
-      VariableMode mode = description->mode(j);
-      int index = description->index(j);
-      switch (mode) {
-        case VAR:
-        case LET:
-        case CONST:
-        case CONST_LEGACY: {
-          PropertyAttributes attr =
-              IsImmutableVariableMode(mode) ? FROZEN : SEALED;
-          Handle<AccessorInfo> info =
-              Accessors::MakeModuleExport(name, index, attr);
-          Handle<Object> result =
-              JSObject::SetAccessor(module, info).ToHandleChecked();
-          DCHECK(!result->IsUndefined());
-          USE(result);
-          break;
-        }
-        case MODULE: {
-          Object* referenced_context = Context::cast(host_context)->get(index);
-          Handle<JSModule> value(Context::cast(referenced_context)->module());
-          JSObject::SetOwnPropertyIgnoreAttributes(module, name, value, FROZEN)
-              .Assert();
-          break;
-        }
-        case INTERNAL:
-        case TEMPORARY:
-        case DYNAMIC:
-        case DYNAMIC_GLOBAL:
-        case DYNAMIC_LOCAL:
-          UNREACHABLE();
-      }
-    }
-
-    JSObject::PreventExtensions(module).Assert();
-  }
-
-  DCHECK(!isolate->has_pending_exception());
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_DeleteLookupSlot) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 2);
-
-  CONVERT_ARG_HANDLE_CHECKED(Context, context, 0);
-  CONVERT_ARG_HANDLE_CHECKED(String, name, 1);
-
-  int index;
-  PropertyAttributes attributes;
-  ContextLookupFlags flags = FOLLOW_CHAINS;
-  BindingFlags binding_flags;
-  Handle<Object> holder =
-      context->Lookup(name, flags, &index, &attributes, &binding_flags);
-
-  // If the slot was not found the result is true.
-  if (holder.is_null()) {
-    return isolate->heap()->true_value();
-  }
-
-  // If the slot was found in a context, it should be DONT_DELETE.
-  if (holder->IsContext()) {
-    return isolate->heap()->false_value();
-  }
-
-  // The slot was found in a JSObject, either a context extension object,
-  // the global object, or the subject of a with.  Try to delete it
-  // (respecting DONT_DELETE).
-  Handle<JSObject> object = Handle<JSObject>::cast(holder);
-  Handle<Object> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
-                                     JSReceiver::DeleteProperty(object, name));
-  return *result;
-}
-
-
-static Object* ComputeReceiverForNonGlobal(Isolate* isolate, JSObject* holder) {
-  DCHECK(!holder->IsGlobalObject());
-  Context* top = isolate->context();
-  // Get the context extension function.
-  JSFunction* context_extension_function =
-      top->native_context()->context_extension_function();
-  // If the holder isn't a context extension object, we just return it
-  // as the receiver. This allows arguments objects to be used as
-  // receivers, but only if they are put in the context scope chain
-  // explicitly via a with-statement.
-  Object* constructor = holder->map()->constructor();
-  if (constructor != context_extension_function) return holder;
-  // Fall back to using the global object as the implicit receiver if
-  // the property turns out to be a local variable allocated in a
-  // context extension object - introduced via eval.
-  return isolate->heap()->undefined_value();
-}
-
-
-static ObjectPair LoadLookupSlotHelper(Arguments args, Isolate* isolate,
-                                       bool throw_error) {
-  HandleScope scope(isolate);
-  DCHECK_EQ(2, args.length());
-
-  if (!args[0]->IsContext() || !args[1]->IsString()) {
-    return MakePair(isolate->ThrowIllegalOperation(), NULL);
-  }
-  Handle<Context> context = args.at<Context>(0);
-  Handle<String> name = args.at<String>(1);
-
-  int index;
-  PropertyAttributes attributes;
-  ContextLookupFlags flags = FOLLOW_CHAINS;
-  BindingFlags binding_flags;
-  Handle<Object> holder =
-      context->Lookup(name, flags, &index, &attributes, &binding_flags);
-  if (isolate->has_pending_exception()) {
-    return MakePair(isolate->heap()->exception(), NULL);
-  }
-
-  // If the index is non-negative, the slot has been found in a context.
-  if (index >= 0) {
-    DCHECK(holder->IsContext());
-    // If the "property" we were looking for is a local variable, the
-    // receiver is the global object; see ECMA-262, 3rd., 10.1.6 and 10.2.3.
-    Handle<Object> receiver = isolate->factory()->undefined_value();
-    Object* value = Context::cast(*holder)->get(index);
-    // Check for uninitialized bindings.
-    switch (binding_flags) {
-      case MUTABLE_CHECK_INITIALIZED:
-      case IMMUTABLE_CHECK_INITIALIZED_HARMONY:
-        if (value->IsTheHole()) {
-          Handle<Object> error;
-          MaybeHandle<Object> maybe_error =
-              isolate->factory()->NewReferenceError("not_defined",
-                                                    HandleVector(&name, 1));
-          if (maybe_error.ToHandle(&error)) isolate->Throw(*error);
-          return MakePair(isolate->heap()->exception(), NULL);
-        }
-      // FALLTHROUGH
-      case MUTABLE_IS_INITIALIZED:
-      case IMMUTABLE_IS_INITIALIZED:
-      case IMMUTABLE_IS_INITIALIZED_HARMONY:
-        DCHECK(!value->IsTheHole());
-        return MakePair(value, *receiver);
-      case IMMUTABLE_CHECK_INITIALIZED:
-        if (value->IsTheHole()) {
-          DCHECK((attributes & READ_ONLY) != 0);
-          value = isolate->heap()->undefined_value();
-        }
-        return MakePair(value, *receiver);
-      case MISSING_BINDING:
-        UNREACHABLE();
-        return MakePair(NULL, NULL);
-    }
-  }
-
-  // Otherwise, if the slot was found the holder is a context extension
-  // object, subject of a with, or a global object.  We read the named
-  // property from it.
-  if (!holder.is_null()) {
-    Handle<JSReceiver> object = Handle<JSReceiver>::cast(holder);
-#ifdef DEBUG
-    if (!object->IsJSProxy()) {
-      Maybe<bool> maybe = JSReceiver::HasProperty(object, name);
-      DCHECK(maybe.has_value);
-      DCHECK(maybe.value);
-    }
-#endif
-    // GetProperty below can cause GC.
-    Handle<Object> receiver_handle(
-        object->IsGlobalObject()
-            ? Object::cast(isolate->heap()->undefined_value())
-            : object->IsJSProxy() ? static_cast<Object*>(*object)
-                                  : ComputeReceiverForNonGlobal(
-                                        isolate, JSObject::cast(*object)),
-        isolate);
-
-    // No need to unhole the value here.  This is taken care of by the
-    // GetProperty function.
-    Handle<Object> value;
-    ASSIGN_RETURN_ON_EXCEPTION_VALUE(
-        isolate, value, Object::GetProperty(object, name),
-        MakePair(isolate->heap()->exception(), NULL));
-    return MakePair(*value, *receiver_handle);
-  }
-
-  if (throw_error) {
-    // The property doesn't exist - throw exception.
-    Handle<Object> error;
-    MaybeHandle<Object> maybe_error = isolate->factory()->NewReferenceError(
-        "not_defined", HandleVector(&name, 1));
-    if (maybe_error.ToHandle(&error)) isolate->Throw(*error);
-    return MakePair(isolate->heap()->exception(), NULL);
-  } else {
-    // The property doesn't exist - return undefined.
-    return MakePair(isolate->heap()->undefined_value(),
-                    isolate->heap()->undefined_value());
-  }
-}
-
-
-RUNTIME_FUNCTION_RETURN_PAIR(Runtime_LoadLookupSlot) {
-  return LoadLookupSlotHelper(args, isolate, true);
-}
-
-
-RUNTIME_FUNCTION_RETURN_PAIR(Runtime_LoadLookupSlotNoReferenceError) {
-  return LoadLookupSlotHelper(args, isolate, false);
-}
-
-
-RUNTIME_FUNCTION(Runtime_StoreLookupSlot) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 4);
-
-  CONVERT_ARG_HANDLE_CHECKED(Object, value, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Context, context, 1);
-  CONVERT_ARG_HANDLE_CHECKED(String, name, 2);
-  CONVERT_STRICT_MODE_ARG_CHECKED(strict_mode, 3);
-
-  int index;
-  PropertyAttributes attributes;
-  ContextLookupFlags flags = FOLLOW_CHAINS;
-  BindingFlags binding_flags;
-  Handle<Object> holder =
-      context->Lookup(name, flags, &index, &attributes, &binding_flags);
-  // In case of JSProxy, an exception might have been thrown.
-  if (isolate->has_pending_exception()) return isolate->heap()->exception();
-
-  // The property was found in a context slot.
-  if (index >= 0) {
-    if ((attributes & READ_ONLY) == 0) {
-      Handle<Context>::cast(holder)->set(index, *value);
-    } else if (strict_mode == STRICT) {
-      // Setting read only property in strict mode.
-      THROW_NEW_ERROR_RETURN_FAILURE(
-          isolate,
-          NewTypeError("strict_cannot_assign", HandleVector(&name, 1)));
-    }
-    return *value;
-  }
-
-  // Slow case: The property is not in a context slot.  It is either in a
-  // context extension object, a property of the subject of a with, or a
-  // property of the global object.
-  Handle<JSReceiver> object;
-  if (attributes != ABSENT) {
-    // The property exists on the holder.
-    object = Handle<JSReceiver>::cast(holder);
-  } else if (strict_mode == STRICT) {
-    // If absent in strict mode: throw.
-    THROW_NEW_ERROR_RETURN_FAILURE(
-        isolate, NewReferenceError("not_defined", HandleVector(&name, 1)));
-  } else {
-    // If absent in sloppy mode: add the property to the global object.
-    object = Handle<JSReceiver>(context->global_object());
-  }
-
-  RETURN_FAILURE_ON_EXCEPTION(
-      isolate, Object::SetProperty(object, name, value, strict_mode));
-
-  return *value;
-}
-
-
 RUNTIME_FUNCTION(Runtime_Throw) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
 
   return isolate->Throw(args[0]);
 }
 
 
 RUNTIME_FUNCTION(Runtime_ReThrow) {
   HandleScope scope(isolate);
@@ skipping 50 matching lines @@
 }
 
 
 RUNTIME_FUNCTION(Runtime_Interrupt) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 0);
   return isolate->stack_guard()->HandleInterrupts();
 }
 
 
-static int StackSize(Isolate* isolate) {
-  int n = 0;
-  for (JavaScriptFrameIterator it(isolate); !it.done(); it.Advance()) n++;
-  return n;
-}
-
-
-static void PrintTransition(Isolate* isolate, Object* result) {
-  // indentation
-  {
-    const int nmax = 80;
-    int n = StackSize(isolate);
-    if (n <= nmax)
-      PrintF("%4d:%*s", n, n, "");
-    else
-      PrintF("%4d:%*s", n, nmax, "...");
-  }
-
-  if (result == NULL) {
-    JavaScriptFrame::PrintTop(isolate, stdout, true, false);
-    PrintF(" {\n");
-  } else {
-    // function result
-    PrintF("} -> ");
-    result->ShortPrint();
-    PrintF("\n");
-  }
-}
-
-
-RUNTIME_FUNCTION(Runtime_TraceEnter) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 0);
-  PrintTransition(isolate, NULL);
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_TraceExit) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(Object, obj, 0);
-  PrintTransition(isolate, obj);
-  return obj;  // return TOS
-}
-
-
 RUNTIME_FUNCTION(Runtime_GlobalProxy) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_CHECKED(Object, global, 0);
   if (!global->IsJSGlobalObject()) return isolate->heap()->null_value();
   return JSGlobalObject::cast(global)->global_proxy();
 }
 
 
 RUNTIME_FUNCTION(Runtime_IsAttachedGlobal) {
@@ skipping 1061 matching lines @@
 
 
 RUNTIME_FUNCTION(Runtime_IsJSGlobalProxy) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_CHECKED(Object, obj, 0);
   return isolate->heap()->ToBoolean(obj->IsJSGlobalProxy());
 }
 
 
-RUNTIME_FUNCTION(Runtime_IsObserved) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-
-  if (!args[0]->IsJSReceiver()) return isolate->heap()->false_value();
-  CONVERT_ARG_CHECKED(JSReceiver, obj, 0);
-  DCHECK(!obj->IsJSGlobalProxy() || !obj->map()->is_observed());
-  return isolate->heap()->ToBoolean(obj->map()->is_observed());
-}
-
-
-RUNTIME_FUNCTION(Runtime_SetIsObserved) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSReceiver, obj, 0);
-  RUNTIME_ASSERT(!obj->IsJSGlobalProxy());
-  if (obj->IsJSProxy()) return isolate->heap()->undefined_value();
-  RUNTIME_ASSERT(!obj->map()->is_observed());
-
-  DCHECK(obj->IsJSObject());
-  JSObject::SetObserved(Handle<JSObject>::cast(obj));
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_EnqueueMicrotask) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, microtask, 0);
-  isolate->EnqueueMicrotask(microtask);
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_RunMicrotasks) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 0);
-  isolate->RunMicrotasks();
-  return isolate->heap()->undefined_value();
-}
-
-
-RUNTIME_FUNCTION(Runtime_GetObservationState) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 0);
-  return isolate->heap()->observation_state();
-}
-
-
-static bool ContextsHaveSameOrigin(Handle<Context> context1,
-                                   Handle<Context> context2) {
-  return context1->security_token() == context2->security_token();
-}
-
-
-RUNTIME_FUNCTION(Runtime_ObserverObjectAndRecordHaveSameOrigin) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 3);
-  CONVERT_ARG_HANDLE_CHECKED(JSFunction, observer, 0);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, record, 2);
-
-  Handle<Context> observer_context(observer->context()->native_context());
-  Handle<Context> object_context(object->GetCreationContext());
-  Handle<Context> record_context(record->GetCreationContext());
-
-  return isolate->heap()->ToBoolean(
-      ContextsHaveSameOrigin(object_context, observer_context) &&
-      ContextsHaveSameOrigin(object_context, record_context));
-}
-
-
-RUNTIME_FUNCTION(Runtime_ObjectWasCreatedInCurrentOrigin) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0);
-
-  Handle<Context> creation_context(object->GetCreationContext(), isolate);
-  return isolate->heap()->ToBoolean(
-      ContextsHaveSameOrigin(creation_context, isolate->native_context()));
-}
-
-
-RUNTIME_FUNCTION(Runtime_GetObjectContextObjectObserve) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0);
-
-  Handle<Context> context(object->GetCreationContext(), isolate);
-  return context->native_object_observe();
-}
-
-
-RUNTIME_FUNCTION(Runtime_GetObjectContextObjectGetNotifier) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0);
-
-  Handle<Context> context(object->GetCreationContext(), isolate);
-  return context->native_object_get_notifier();
-}
-
-
-RUNTIME_FUNCTION(Runtime_GetObjectContextNotifierPerformChange) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, object_info, 0);
-
-  Handle<Context> context(object_info->GetCreationContext(), isolate);
-  return context->native_object_notifier_perform_change();
-}
-
-
 static Object* ArrayConstructorCommon(Isolate* isolate,
                                       Handle<JSFunction> constructor,
                                       Handle<AllocationSite> site,
                                       Arguments* caller_args) {
   Factory* factory = isolate->factory();
 
   bool holey = false;
   bool can_use_type_feedback = true;
   if (caller_args->length() == 1) {
     Handle<Object> argument_one = caller_args->at<Object>(0);
@@ skipping 233 matching lines @@
     UNIMPLEMENTED();                          \
     return NULL;                              \
   }
 
 U(IsStringWrapperSafeForDefaultValueOf)
 U(DebugBreakInOptimizedCode)
 
 #undef U
 
 
-RUNTIME_FUNCTION(RuntimeReference_IsSmi) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(Object, obj, 0);
-  return isolate->heap()->ToBoolean(obj->IsSmi());
-}
-
-
-RUNTIME_FUNCTION(RuntimeReference_IsNonNegativeSmi) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(Object, obj, 0);
-  return isolate->heap()->ToBoolean(obj->IsSmi() &&
-                                    Smi::cast(obj)->value() >= 0);
-}
-
-
 RUNTIME_FUNCTION(RuntimeReference_IsArray) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_CHECKED(Object, obj, 0);
   return isolate->heap()->ToBoolean(obj->IsJSArray());
 }
 
 
-RUNTIME_FUNCTION(RuntimeReference_IsRegExp) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(Object, obj, 0);
-  return isolate->heap()->ToBoolean(obj->IsJSRegExp());
-}
-
-
-RUNTIME_FUNCTION(RuntimeReference_IsConstructCall) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 0);
-  JavaScriptFrameIterator it(isolate);
-  JavaScriptFrame* frame = it.frame();
-  return isolate->heap()->ToBoolean(frame->IsConstructor());
-}
-
-
-RUNTIME_FUNCTION(RuntimeReference_CallFunction) {
-  SealHandleScope shs(isolate);
-  return __RT_impl_Runtime_Call(args, isolate);
-}
-
-
-RUNTIME_FUNCTION(RuntimeReference_ArgumentsLength) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 0);
-  JavaScriptFrameIterator it(isolate);
-  JavaScriptFrame* frame = it.frame();
-  return Smi::FromInt(frame->GetArgumentsLength());
-}
-
-
-RUNTIME_FUNCTION(RuntimeReference_Arguments) {
-  SealHandleScope shs(isolate);
-  return __RT_impl_Runtime_GetArgumentsProperty(args, isolate);
-}
-
 
 RUNTIME_FUNCTION(RuntimeReference_ValueOf) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_CHECKED(Object, obj, 0);
   if (!obj->IsJSValue()) return obj;
   return JSValue::cast(obj)->value();
 }
 
 
@@ skipping 25 matching lines @@
   if (obj->IsNull()) return isolate->heap()->true_value();
   if (obj->IsUndetectableObject()) return isolate->heap()->false_value();
   Map* map = HeapObject::cast(obj)->map();
   bool is_non_callable_spec_object =
       map->instance_type() >= FIRST_NONCALLABLE_SPEC_OBJECT_TYPE &&
       map->instance_type() <= LAST_NONCALLABLE_SPEC_OBJECT_TYPE;
   return isolate->heap()->ToBoolean(is_non_callable_spec_object);
 }
 
 
-RUNTIME_FUNCTION(RuntimeReference_IsFunction) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(Object, obj, 0);
-  return isolate->heap()->ToBoolean(obj->IsJSFunction());
-}
-
-
 RUNTIME_FUNCTION(RuntimeReference_IsUndetectableObject) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_CHECKED(Object, obj, 0);
   return isolate->heap()->ToBoolean(obj->IsUndetectableObject());
 }
 
 
 RUNTIME_FUNCTION(RuntimeReference_IsSpecObject) {
   SealHandleScope shs(isolate);
@@ skipping 115 matching lines @@
   }
   return NULL;
 }
 
 
 const Runtime::Function* Runtime::FunctionForId(Runtime::FunctionId id) {
   return &(kIntrinsicFunctions[static_cast<int>(id)]);
 }
 }
 }  // namespace v8::internal