Introduce a BuiltinsConstructStub that sets up new.target and does a [[call]] per ES6 9.3.2

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_
 
 #include "src/handles.h"
 
 namespace v8 {
@@ skipping 83 matching lines @@
   V(Call_ReceiverIsNotNullOrUndefined, BUILTIN, UNINITIALIZED,                \
     kNoExtraICState)                                                          \
   V(Call_ReceiverIsAny, BUILTIN, UNINITIALIZED, kNoExtraICState)              \
                                                                               \
   V(ConstructFunction, BUILTIN, UNINITIALIZED, kNoExtraICState)               \
   V(ConstructProxy, BUILTIN, UNINITIALIZED, kNoExtraICState)                  \
   V(Construct, BUILTIN, UNINITIALIZED, kNoExtraICState)                       \
                                                                               \
   V(InOptimizationQueue, BUILTIN, UNINITIALIZED, kNoExtraICState)             \
   V(JSConstructStubGeneric, BUILTIN, UNINITIALIZED, kNoExtraICState)          \
-  V(JSConstructStubForDerived, BUILTIN, UNINITIALIZED, kNoExtraICState)       \
+  V(JSBuiltinsConstructStub, 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 163 matching lines @@
   const char* names_[builtin_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_JSBuiltinsConstructStub(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 69 matching lines @@
   friend class BuiltinFunctionTable;
   friend class Isolate;
 
   DISALLOW_COPY_AND_ASSIGN(Builtins);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_BUILTINS_H_