new classes: special construct stub for derived classs and TDZ for `this`.

src/builtins.h

 // Copyright 2011 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.
 
 #ifndef V8_BUILTINS_H_
 #define V8_BUILTINS_H_
 
 namespace v8 {
 namespace internal {
 
@@ skipping 49 matching lines @@
   V(HandleApiCallAsConstructor, NO_EXTRA_ARGUMENTS)                 \
                                                                     \
   V(StrictModePoisonPill, NO_EXTRA_ARGUMENTS)                       \
   V(GeneratorPoisonPill, NO_EXTRA_ARGUMENTS)
 
 // Define list of builtins implemented in assembly.
 #define BUILTIN_LIST_A(V)                                                      \
   V(ArgumentsAdaptorTrampoline, BUILTIN, UNINITIALIZED, kNoExtraICState)       \
   V(InOptimizationQueue, BUILTIN, UNINITIALIZED, kNoExtraICState)              \
   V(JSConstructStubGeneric, BUILTIN, UNINITIALIZED, kNoExtraICState)           \
+  V(JSConstructStubForDerived, BUILTIN, UNINITIALIZED, kNoExtraICState)        \
   V(JSConstructStubApi, BUILTIN, UNINITIALIZED, kNoExtraICState)               \
   V(JSEntryTrampoline, BUILTIN, UNINITIALIZED, kNoExtraICState)                \
   V(JSConstructEntryTrampoline, BUILTIN, UNINITIALIZED, kNoExtraICState)       \
   V(CompileLazy, BUILTIN, UNINITIALIZED, kNoExtraICState)                      \
   V(CompileOptimized, BUILTIN, UNINITIALIZED, kNoExtraICState)                 \
   V(CompileOptimizedConcurrent, BUILTIN, UNINITIALIZED, kNoExtraICState)       \
   V(NotifyDeoptimized, BUILTIN, UNINITIALIZED, kNoExtraICState)                \
   V(NotifySoftDeoptimized, BUILTIN, UNINITIALIZED, kNoExtraICState)            \
   V(NotifyLazyDeoptimized, BUILTIN, UNINITIALIZED, kNoExtraICState)            \
   V(NotifyStubFailure, BUILTIN, UNINITIALIZED, kNoExtraICState)                \
@@ skipping 215 matching lines @@
   static int const javascript_argc_[id_count];
 
   static void Generate_Adaptor(MacroAssembler* masm,
                                CFunctionId id,
                                BuiltinExtraArguments extra_args);
   static void Generate_CompileLazy(MacroAssembler* masm);
   static void Generate_InOptimizationQueue(MacroAssembler* masm);
   static void Generate_CompileOptimized(MacroAssembler* masm);
   static void Generate_CompileOptimizedConcurrent(MacroAssembler* masm);
   static void Generate_JSConstructStubGeneric(MacroAssembler* masm);
+  static void Generate_JSConstructStubForDerived(MacroAssembler* masm);
   static void Generate_JSConstructStubApi(MacroAssembler* masm);
   static void Generate_JSEntryTrampoline(MacroAssembler* masm);
   static void Generate_JSConstructEntryTrampoline(MacroAssembler* masm);
   static void Generate_NotifyDeoptimized(MacroAssembler* masm);
   static void Generate_NotifySoftDeoptimized(MacroAssembler* masm);
   static void Generate_NotifyLazyDeoptimized(MacroAssembler* masm);
   static void Generate_NotifyStubFailure(MacroAssembler* masm);
   static void Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm);
   static void Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm);
 
@@ skipping 26 matching lines @@
 
   friend class BuiltinFunctionTable;
   friend class Isolate;
 
   DISALLOW_COPY_AND_ASSIGN(Builtins);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_BUILTINS_H_