[refactor] Separate generated builtins and C++ builtins into separate files

src/builtins/builtins-internal-gen.cc

-// Copyright 2016 the V8 project authors. All rights reserved.
+// Copyright 2017 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/builtins/builtins-utils.h"
+#include "src/builtins/builtins-utils-gen.h"
 #include "src/builtins/builtins.h"
 #include "src/code-stub-assembler.h"
-#include "src/counters.h"
-#include "src/interface-descriptors.h"
 #include "src/macro-assembler.h"
-#include "src/objects-inl.h"
+#include "src/runtime/runtime.h"
 
 namespace v8 {
 namespace internal {
 
-BUILTIN(Illegal) {
-  UNREACHABLE();
-  return isolate->heap()->undefined_value();  // Make compiler happy.
-}
-
-BUILTIN(EmptyFunction) { return isolate->heap()->undefined_value(); }
-
-BUILTIN(UnsupportedThrower) {
-  HandleScope scope(isolate);
-  THROW_NEW_ERROR_RETURN_FAILURE(isolate,
-                                 NewError(MessageTemplate::kUnsupported));
-}
-
-// -----------------------------------------------------------------------------
-// Throwers for restricted function properties and strict arguments object
-// properties
-
-BUILTIN(RestrictedFunctionPropertiesThrower) {
-  HandleScope scope(isolate);
-  THROW_NEW_ERROR_RETURN_FAILURE(
-      isolate, NewTypeError(MessageTemplate::kRestrictedFunctionProperties));
-}
-
-BUILTIN(RestrictedStrictArgumentsPropertiesThrower) {
-  HandleScope scope(isolate);
-  THROW_NEW_ERROR_RETURN_FAILURE(
-      isolate, NewTypeError(MessageTemplate::kStrictPoisonPill));
-}
-
 // -----------------------------------------------------------------------------
 // Interrupt and stack checks.
 
 void Builtins::Generate_InterruptCheck(MacroAssembler* masm) {
   masm->TailCallRuntime(Runtime::kInterrupt);
 }
 
 void Builtins::Generate_StackCheck(MacroAssembler* masm) {
   masm->TailCallRuntime(Runtime::kStackGuard);
 }
@@ skipping 141 matching lines @@
     // Allocate in old space (or large object space).
     TailCallRuntime(Runtime::kNewArgumentsElements, NoContextConstant(),
                     BitcastWordToTagged(frame), SmiFromWord(length));
   }
 }
 
 TF_BUILTIN(ReturnReceiver, CodeStubAssembler) { Return(Parameter(0)); }
 
 }  // namespace internal
 }  // namespace v8