Revert of [intrinsic] Drop the %_ValueOf intrinsic.

src/bootstrapper.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/base/ieee754.h"
 #include "src/code-stubs.h"
@@ skipping 1293 matching lines @@
   {  // --- N u m b e r ---
     Handle<JSFunction> number_fun = InstallFunction(
         global, "Number", JS_VALUE_TYPE, JSValue::kSize,
         isolate->initial_object_prototype(), Builtins::kNumberConstructor);
     number_fun->shared()->DontAdaptArguments();
     number_fun->shared()->set_construct_stub(
         *isolate->builtins()->NumberConstructor_ConstructStub());
     number_fun->shared()->set_length(1);
     InstallWithIntrinsicDefaultProto(isolate, number_fun,
                                      Context::NUMBER_FUNCTION_INDEX);
-
-    // Create the %NumberPrototype%
-    Handle<JSValue> prototype =
-        Handle<JSValue>::cast(factory->NewJSObject(number_fun, TENURED));
-    prototype->set_value(Smi::FromInt(0));
-    Accessors::FunctionSetPrototype(number_fun, prototype).Assert();
-
-    // Install the "constructor" property on the {prototype}.
-    JSObject::AddProperty(prototype, factory->constructor_string(), number_fun,
-                          DONT_ENUM);
-
-    // Install the Number.prototype methods.
-    SimpleInstallFunction(prototype, "toExponential",
-                          Builtins::kNumberPrototypeToExponential, 1, false);
-    SimpleInstallFunction(prototype, "toFixed",
-                          Builtins::kNumberPrototypeToFixed, 1, false);
-    SimpleInstallFunction(prototype, "toPrecision",
-                          Builtins::kNumberPrototypeToPrecision, 1, false);
-    SimpleInstallFunction(prototype, "toString",
-                          Builtins::kNumberPrototypeToString, 1, false);
-    SimpleInstallFunction(prototype, "valueOf",
-                          Builtins::kNumberPrototypeValueOf, 0, true);
-
-    // Install i18n fallback functions.
-    SimpleInstallFunction(prototype, "toLocaleString",
-                          Builtins::kNumberPrototypeToString, 1, true);
   }
 
   {  // --- B o o l e a n ---
     Handle<JSFunction> boolean_fun =
         InstallFunction(global, "Boolean", JS_VALUE_TYPE, JSValue::kSize,
                         isolate->initial_object_prototype(),
                         Builtins::kBooleanConstructor);
     boolean_fun->shared()->DontAdaptArguments();
     boolean_fun->shared()->set_construct_stub(
         *isolate->builtins()->BooleanConstructor_ConstructStub());
     boolean_fun->shared()->set_length(1);
     InstallWithIntrinsicDefaultProto(isolate, boolean_fun,
                                      Context::BOOLEAN_FUNCTION_INDEX);
 
     // Create the %BooleanPrototype%
     Handle<JSValue> prototype =
         Handle<JSValue>::cast(factory->NewJSObject(boolean_fun, TENURED));
     prototype->set_value(isolate->heap()->false_value());
     Accessors::FunctionSetPrototype(boolean_fun, prototype).Assert();
 
     // Install the "constructor" property on the {prototype}.
     JSObject::AddProperty(prototype, factory->constructor_string(), boolean_fun,
                           DONT_ENUM);
 
     // Install the Boolean.prototype methods.
     SimpleInstallFunction(prototype, "toString",
-                          Builtins::kBooleanPrototypeToString, 0, true);
+                          Builtins::kBooleanPrototypeToString, 0, false);
     SimpleInstallFunction(prototype, "valueOf",
-                          Builtins::kBooleanPrototypeValueOf, 0, true);
+                          Builtins::kBooleanPrototypeValueOf, 0, false);
   }
 
   {  // --- S t r i n g ---
     Handle<JSFunction> string_fun = InstallFunction(
         global, "String", JS_VALUE_TYPE, JSValue::kSize,
         isolate->initial_object_prototype(), Builtins::kStringConstructor);
     string_fun->shared()->set_construct_stub(
         *isolate->builtins()->StringConstructor_ConstructStub());
     string_fun->shared()->DontAdaptArguments();
     string_fun->shared()->set_length(1);
@@ skipping 32 matching lines @@
 
     // Install the "constructor" property on the {prototype}.
     JSObject::AddProperty(prototype, factory->constructor_string(), string_fun,
                           DONT_ENUM);
 
     // Install the String.prototype methods.
     SimpleInstallFunction(prototype, "charAt", Builtins::kStringPrototypeCharAt,
                           1, true);
     SimpleInstallFunction(prototype, "charCodeAt",
                           Builtins::kStringPrototypeCharCodeAt, 1, true);
-    SimpleInstallFunction(prototype, "toString",
-                          Builtins::kStringPrototypeToString, 0, true);
     SimpleInstallFunction(prototype, "trim", Builtins::kStringPrototypeTrim, 0,
                           false);
     SimpleInstallFunction(prototype, "trimLeft",
                           Builtins::kStringPrototypeTrimLeft, 0, false);
     SimpleInstallFunction(prototype, "trimRight",
                           Builtins::kStringPrototypeTrimRight, 0, false);
-    SimpleInstallFunction(prototype, "valueOf",
-                          Builtins::kStringPrototypeValueOf, 0, true);
   }
 
   {
     // --- S y m b o l ---
     Handle<JSObject> prototype =
         factory->NewJSObject(isolate->object_function(), TENURED);
     Handle<JSFunction> symbol_fun =
         InstallFunction(global, "Symbol", JS_VALUE_TYPE, JSValue::kSize,
                         prototype, Builtins::kSymbolConstructor);
     symbol_fun->shared()->set_construct_stub(
         *isolate->builtins()->SymbolConstructor_ConstructStub());
     symbol_fun->shared()->set_length(0);
     symbol_fun->shared()->DontAdaptArguments();
     native_context()->set_symbol_function(*symbol_fun);
 
-    // Install the @@toStringTag property on the {prototype}.
-    JSObject::AddProperty(
-        prototype, factory->to_string_tag_symbol(),
-        factory->NewStringFromAsciiChecked("Symbol"),
-        static_cast<PropertyAttributes>(DONT_ENUM | READ_ONLY));
-
     // Install the "constructor" property on the {prototype}.
     JSObject::AddProperty(prototype, factory->constructor_string(), symbol_fun,
                           DONT_ENUM);
-
-    // Install the Symbol.prototype methods.
-    SimpleInstallFunction(prototype, "toString",
-                          Builtins::kSymbolPrototypeToString, 0, true);
-    SimpleInstallFunction(prototype, "valueOf",
-                          Builtins::kSymbolPrototypeValueOf, 0, true);
-
-    // Install the @@toPrimitive function.
-    Handle<JSFunction> to_primitive = InstallFunction(
-        prototype, factory->to_primitive_symbol(), JS_OBJECT_TYPE,
-        JSObject::kHeaderSize, MaybeHandle<JSObject>(),
-        Builtins::kSymbolPrototypeToPrimitive,
-        static_cast<PropertyAttributes>(DONT_ENUM | READ_ONLY));
-
-    // Set the expected parameters for @@toPrimitive to 1; required by builtin.
-    to_primitive->shared()->set_internal_formal_parameter_count(1);
-
-    // Set the length for the function to satisfy ECMA-262.
-    to_primitive->shared()->set_length(1);
   }
 
   {  // --- D a t e ---
     // Builtin functions for Date.prototype.
     Handle<JSObject> prototype =
         factory->NewJSObject(isolate->object_function(), TENURED);
     Handle<JSFunction> date_fun =
         InstallFunction(global, "Date", JS_DATE_TYPE, JSDate::kSize, prototype,
                         Builtins::kDateConstructor);
     InstallWithIntrinsicDefaultProto(isolate, date_fun,
@@ skipping 2526 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8